GET DAILY SIGNALSLam Research (LRCX) Drops -28% in 30 Days After Record Results and Cautious Guide
Key Takeaways
- Lam Research (LRCX) fell roughly 28% over the last 30 days, sliding from $309.56 (October 12) to $222.39 (November 10), including sharp one-day drops of about 12% on October 22 and 16% on November 5.
- A record September-quarter report — $8.22 billion in revenue, up 54% year over year — failed to satisfy investors focused on an in-line December-quarter guide held back by component shortages.
- Management flagged that China revenue, which reached 35% of September-quarter sales, is expected to decline meaningfully, adding to the cautious tone.
- Broader AI-spending fears and a sector-wide rotation out of semiconductor-equipment names amplified Lam's decline alongside peers such as AMAT and KLAC.
- Over the last quarter the stock is down about 29% and sits well below its late-June 2026 record close near $433, despite consensus ratings remaining firmly in Buy territory.
- For more detail on valuation and expectations, explore LRCX's Price Targets, Earnings, and Forecast pages.
- See how quantitative, rules-based strategies are approaching volatile names in Trending AI Robots.
Lam Research (LRCX) Company Overview and Market Position
Lam Research Corporation designs, manufactures, and services semiconductor wafer-fabrication equipment used to produce integrated circuits. The company specializes in etch and deposition systems — including atomic layer deposition, chemical vapor deposition, and electrochemical deposition tools — that are critical to building advanced logic chips and memory devices such as DRAM, NAND, and high-bandwidth memory. Lam also generates recurring revenue through spares, refurbishment, and services across customers in the United States, China, South Korea, Taiwan, Japan, and Europe.
As one of the largest semiconductor-equipment suppliers alongside AMAT, ASML, and KLAC, Lam is closely watched as a barometer for memory and foundry capital spending. Its exposure to advanced-node transitions — including gate-all-around architectures and EUV-enabled manufacturing — positions the company at the center of the artificial-intelligence and data-center buildout, which is precisely why shifts in AI-spending sentiment move the stock so sharply. I also checked this using Tickeron’s AI Screener to see how the stock compares to others in the industry.
Lam Research (LRCX) Stock Price Performance: Last 30 Days vs. Quarter
Over the last 30 days, LRCX declined from a closing price of $309.56 on October 12 to $222.39 on November 10, a drop of approximately 28%. The move was punctuated by two outsized single-day declines: a roughly 12% fall on October 22 following its earnings report, and a roughly 16% plunge on November 5 during a broad post-election tech selloff. The stock did recover partially in the final sessions of the period, but remains far below its early-October peak near $347.
The quarterly picture is similarly negative. Measured from roughly three months ago, LRCX has fallen about 29%, from $311.41 in mid-August to $222.39. This extends a longer unwind from the stock's record closing high near $433 set on June 30, 2026, leaving the shares roughly 45% or more below that peak even though the company has continued posting record results.
What Drove LRCX Stock Price in the Last 30 Days
The primary catalyst was Lam's fiscal first-quarter earnings report on October 21. The company delivered its fifth consecutive record quarter, with revenue of $8.22 billion (up 54% year over year), adjusted EPS of $2.20, a record 52.4% gross margin, and a first-ever operating margin above 40%. Yet investors focused on the December-quarter guide of roughly $8.6 billion in revenue and $2.33 in EPS, which was only in line with consensus and below the higher "whisper" numbers some had expected. Management attributed the tempered outlook to short-term component shortages that pushed certain shipments into the March quarter, and signaled a meaningful near-term decline in China revenue.
The stock fell about 12% the next day, and at least eight brokerages trimmed price targets — including cuts to $290 at Needham, $339 at Morgan Stanley, $315 at Evercore ISI, and $400 at UBS — even as firms such as Cantor retained "Top Pick" status. The selling was compounded by a broader loss of confidence in AI-related spending after weak guidance from QCOM and INTC. A sharp post-midterm-election rotation out of tech on November 5 sent LRCX down another 16% intraday, and on November 10, Bank of America removed the stock — along with NVDA and MU — from its "US 1" top-picks list while maintaining Buy ratings.
What Drove LRCX Stock Performance Over the Last Quarter
The quarterly decline reflects a broader repricing of the AI trade rather than a deterioration in Lam's own fundamentals. After peaking near $433 in late June 2026, high-multiple semiconductor-equipment names entered a multi-month unwind as investors questioned the pace and durability of AI capital spending. Lam's early-October rally above $347 quickly reversed, and the October 21 report gave investors a concrete reason to de-risk: supply constraints, not weak demand, were capping near-term revenue growth.
Beneath the volatility, the underlying demand story has remained intact. Memory customers continue to expand capacity — SK hynix has said memory demand is likely to outrun supply through 2030 — and Lam's management offered a preliminary 2027 wafer-fab-equipment spending forecast above $200 billion. Still, that longer-term narrative was not enough to offset near-term supply-chain frictions and a sector-wide retreat from chip-equipment valuations during the quarter. I ran a quick check on historical setups with Tickeron’s AI Pattern Search Engine to put the recent move in context.
LRCX Stock Forecast Drivers: What Investors Should Watch Next
Looking ahead, the most important variable is whether the component shortages that capped the December-quarter guide ease quickly enough for delayed shipments to land in the March quarter. The next earnings report, expected in late January, will test that assumption. Investors should also monitor the trajectory of China revenue and any changes to export-control policy, the pace of DRAM and high-bandwidth-memory capacity additions, and the broader sustainability of AI capital spending across hyperscalers. Management's preliminary outlook for wafer-fab-equipment spending above $200 billion in 2027 remains a key long-term positive, while analyst consensus — still Buy-rated with an average price target near $360 — reflects expectations of a recovery that has not yet materialized in the share price.
Using Tickeron’s AI Trading Bots for Market Context
In my own research on volatile names like this, I find Tickeron’s AI Trading Bots helpful for seeing how rules-based strategies are positioned across different timeframes and risk levels. The platform lets me compare automated approaches without having to build everything from scratch, which adds a useful quantitative layer to the fundamental picture.
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LRCX's RSI Oscillator ascending out of oversold territory
The RSI Indicator for LRCX moved out of oversold territory on November 09, 2026. This could be a sign that the stock is shifting from a downward trend to an upward trend. Traders may want to buy the stock or call options. The A.I.dvisor looked at 19 similar instances when the indicator left oversold territory. In 17 of the 19 cases the stock moved higher. This puts the odds of a move higher at 89%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The Stochastic Oscillator suggests the stock price trend may be in a reversal from a downward trend to an upward trend. 42 of 48 cases where LRCX's Stochastic Oscillator exited the oversold zone resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 88%.
Following a +10.95% 3-day Advance, the price is estimated to grow further. Considering data from situations where LRCX advanced for three days, in 269 of 323 cases, the price rose further within the following month. The odds of a continued upward trend are 83%.
LRCX may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options.
Bearish Trend Analysis
The Momentum Indicator moved below the 0 level on October 12, 2026. You may want to consider selling the stock, shorting the stock, or exploring put options on LRCX as a result. In 52 of 82 cases where the Momentum Indicator fell below 0, the stock fell further within the subsequent month. The odds of a continued downward trend are 63%.
The Moving Average Convergence Divergence Histogram (MACD) for LRCX turned negative on October 12, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 57 similar instances when the indicator turned negative. In 41 of the 57 cases the stock turned lower in the days that followed. This puts the odds of success at 72%.
LRCX moved below its 50-day moving average on October 12, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for LRCX crossed bearishly below the 50-day moving average on October 16, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 9 of 12 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 75%.
The 50-day moving average for LRCX moved below the 200-day moving average on November 09, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where LRCX declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 65%.
The Aroon Indicator for LRCX entered a downward trend on November 10, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron SMR rating for this company is 18 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Seasonality Score of 50 (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.
The Tickeron PE Growth Rating for this company is 52 (best 1 - 100 worst), pointing to average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 54 (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 76, placing this stock slightly better than average.
The Tickeron Price Growth Rating for this company is 64 (best 1 - 100 worst), indicating steady price growth. LRCX’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 84 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: LRCX's P/B Ratio (20.114) is very high in comparison to the industry average of (5.670). P/E Ratio (34.618) is within average values for comparable stocks, (68.795). LRCX's Projected Growth (PEG Ratio) (1.463) is slightly higher than the industry average of (0.801). Dividend Yield (0.007) settles around the average of (0.009) among similar stocks. P/S Ratio (14.620) is also within normal values, averaging (27.897).
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a manufacturer of semiconductor processing equipment
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