KLAC fell -10.19% to $241.73 during regular market hours from the prior close of $269.16. The decline reflects a sharp reversal in semiconductor equipment stocks after recent gains to all-time highs.
AMAT stock rose approximately 16% over the past 30 days, driven by robust demand for semiconductor manufacturing equipment amid the ongoing AI boom. Over the past quarter, the stock gained roughly 44%, reflecting sustained strength in the semiconductor sector and positive company-specific momentum.
KLA Corporation (KLAC) stock rose approximately 16% over the past 30 days, driven primarily by strong semiconductor demand tied to artificial intelligence (AI) chip production and positive analyst sentiment. Over the past quarter, the stock advanced about 52%, reflecting sustained momentum from robust earnings beats and industry-wide recovery in wafer fabrication equipment spending.
AXTI shares fell 12.66% on Tuesday, dropping from a previous close of $110.74 to $96.72 in post-market trading, extending a multi-session selloff. Insider selling is the primary catalyst — Director Jesse Chen disclosed multiple stock sales executed near recent highs, and CEO Morris Young previously liquidated over $22 million in shares, shaking investor confidence.
Lam Research Corporation (LRCX) stock rose approximately 36% over the past 30 days, fueled by robust demand for semiconductor equipment amid AI-driven growth. Over the past quarter, the stock advanced more than 70%, reflecting sustained industry tailwinds and positive earnings momentum.
KLA Corporation (KLAC) stock rose approximately 16% over the past 30 days, driven primarily by strong semiconductor demand tied to artificial intelligence (AI) chip production and positive analyst sentiment. Over the past quarter, the stock advanced about 52%, reflecting sustained momentum from robust earnings beats and industry-wide recovery in wafer fabrication equipment spending.
AMAT stock rose approximately 16% over the past 30 days, driven by robust demand for semiconductor manufacturing equipment amid the ongoing AI boom. Over the past quarter, the stock gained roughly 44%, reflecting sustained strength in the semiconductor sector and positive company-specific momentum.
AXTI stock declined approximately 21% over the past 30 days amid a broader pullback in AI-related semiconductor shares. Over the last quarter, the stock rose more than 130%, driven by strong demand for indium phosphide substrates tied to AI infrastructure.
ASML Holding has emerged as Europe’s most valuable stock amid surging demand for advanced lithography equipment driven by artificial intelligence (AI) applications. Multiple Wall Street firms raised price targets in early June 2026, citing strong long-term visibility in extreme ultraviolet (EUV) capacity and margin potential.
Camtek Ltd. (CAMT) stock declined approximately 19% over the past 30 days, reflecting broader market volatility in the semiconductor sector.
Lam Research Corporation (LRCX) stock rose approximately 28% over the past 30 days, fueled by strong demand in the semiconductor equipment sector. Over the past quarter, the stock advanced around 38%, reflecting sustained momentum from AI-driven investments.
AMBA shares fell approximately 20.41% intraday on May 29, 2026, trading near $73.10 after closing at $91.84 the prior session. The primary catalyst was a downgrade to Hold from Buy by Summit Insights, citing elevated risks despite long-term catalysts.
Amkor Technology delivered record first-quarter 2026 net sales of $1.68 billion, a 27% year-over-year increase, driven by strong demand for advanced semiconductor packaging. The company hosted its 2026 Investor Day on May 21, outlining a long-term target of $11 billion in revenue by 2030 centered on AI-related packaging solutions.
PLAB shares plunged 32.46% after the company reported second-quarter fiscal 2026 results that missed analyst estimates on both earnings and revenue. Reported EPS of $0.42 fell short of the $0.53 consensus, while revenue came in below expectations at approximately $210 million.
Axcelis Technologies, Inc. (ACLS) stock rose approximately 7% over the past 30 days, driven primarily by sustained strength in the semiconductor equipment sector.
Ichor Holdings, Ltd. (ICHR) stock rose approximately 2% over the past 30 days, supported by positive analyst sentiment and sector momentum.
Amkor Technology (AMKR) stock declined approximately 7% over the past 30 days amid post-earnings volatility and broader market sentiment shifts. Over the past quarter, the stock rose more than 40%, driven by strong first-quarter results and sustained demand in advanced packaging.
Veeco Instruments Inc. stock rose approximately 21% over the past 30 days, driven primarily by strong order activity in silicon photonics and positive full-year guidance.
ONTO stock declined approximately 11% over the past 30 days, moving from around 295 to 263 amid broader semiconductor sector pressures. Over the past quarter, the stock posted a gain of about 17%, reflecting recovery from earlier levels near 225.