QuickLogic shares fell approximately 26.5% over the past 30 days, dropping from $21.80 on June 2 to $16.02 by July 2, 2026. A broad semiconductor sector selloff in late June, triggered by South Korean memory contagion and AI infrastructure spending concerns, accelerated the decline.
Kulicke and Soffa Industries, Inc. ( KLIC ) and Power Integrations, Inc.
Both DIOD and KLIC are semiconductor companies that have delivered substantial year-to-date gains, significantly outperforming broader market benchmarks in recent market activity. DIOD focuses on discrete, analog, and logic semiconductors with exposure to automotive and industrial end markets, while KLIC provides semiconductor assembly equipment and advanced packaging solutions.
DIOD shares fell approximately 14.5% over the past 30 days, retreating from a closing price of $112.50 on June 4 to $96.17 as of July 2. The decline follows a sharp rally that pushed the stock to a multi-month high of $123.50 on June 18, suggesting profit-taking and a technical correction.
Rambus shares fell approximately 33% over the past 30 days, erasing a significant portion of earlier 2026 gains. The decline accelerated in late June, with the stock dropping from around $170 to below $115 amid heavy selling volume.
Arm Holdings shares declined approximately 23% over the past 30 days, falling from $411.83 on June 3 to $315.50, as a broad AI-sector rotation triggered heavy profit-taking in high-multiple semiconductor names. The selloff was driven primarily by valuation concerns and sector-wide de-risking rather than company-specific fundamental deterioration, with a Korean-led chip rout accelerating the pullback in late June.
Astera Labs (ALAB) shares climbed approximately 14% over the past 30 days, extending a powerful multi-month rally driven by AI infrastructure demand. Nasdaq-100 index inclusion, effective June 22, triggered mandatory buying from passive funds and ETFs tracking the benchmark, adding sustained upward pressure.
AIP shares plunged -20.26% during Thursday's regular session to $34.52, extending a brutal multi-day selloff from all-time highs above $50 reached on June 30. The collapse was driven by a broader semiconductor sector rout, with the Philadelphia Semiconductor Index sinking 6.3% in its worst single-session decline of 2026.
MRVL stock rose approximately 68% over the past 30 days, reflecting strong upward momentum in recent trading sessions. The surge aligns with broader strength in the semiconductor sector and increasing demand for AI-related infrastructure solutions.
MU shares fell -4.65% in premarket and early regular trading on Wednesday, extending a pullback from the all-time high of $1,255 reached on June 25. The decline was driven by a broad semiconductor sector selloff, with Intel, Arm, Marvell, and ASML also trading lower amid AI infrastructure cost concerns and portfolio rebalancing at the start of the second half of 2026.
INTC shares rose approximately 15% over the past 30 days, climbing from a closing price near $114.68 on May 29, 2026, to $131.72 on June 29, 2026. The stock showed strong momentum within a broader quarterly recovery, with year-to-date gains exceeding 240% as of late June 2026.
VSH shares are trading approximately 11% lower in premarket on June 30, 2026, following a significant equity dilution announcement the prior session. The primary catalyst is Vishay's pricing of a $750 million underwritten public offering of 15 million common shares at $50 per share — a notable discount to the prior closing price of $56.35.
Broadcom (AVGO) shares declined approximately 10.21% over the past 30 days amid broader market volatility. The stock reached a recent high near $495 in early June 2026 before retreating toward the $365 area by late June.
Qualcomm shares declined approximately 16.8% over the past 30 days, falling from $233.40 on May 27 to $194.16 at the June 26 close, erasing a significant portion of gains from the stock's late-May rally. The stock hit an all-time high of $259.92 on May 29 following a transformative investor day, but a sharp June selloff driven by broader semiconductor weakness and profit-taking reversed the momentum.
ON Semiconductor shares plunged -21.19% to $93.58 during Friday's regular session, extending a steep premarket selloff that began after Thursday's close. The primary catalyst was the announcement of a $7 billion all-stock acquisition of Synaptics (SYNA), with investors reacting negatively to significant shareholder dilution and the deal's strategic fit.
ON shares are falling approximately 12% in premarket trading on Friday, June 26, 2026, from a prior close of $118.74 to around $104.36. The primary catalyst is onsemi's announcement of a definitive agreement to acquire Synaptics (SYNA) in an all-stock deal valued at approximately $7 billion — the company's largest acquisition in its history.
MU shares are declining approximately 6% in premarket trading on Friday, June 27, 2026, reversing a portion of the prior session's 14.5%+ earnings-driven rally. The primary catalyst is a broad, global technology and semiconductor selloff, with investors booking profits following the stock's massive post-earnings surge.
Entire 2026 high-bandwidth memory (HBM) supply is sold out under fixed-price contracts, providing revenue visibility amid surging artificial intelligence (AI) demand. Upcoming fiscal Q3 2026 earnings release expected to offer updated guidance on Q4 revenue, gross margins, and HBM4 ramp progress for NVIDIA’s Vera Rubin platform.
Revenue reached a record $41.46 billion, more than quadrupling from $9.30 billion in the year-ago quarter and rising sharply from $23.86 billion in the prior quarter. Non-GAAP diluted EPS of $25.11 significantly exceeded analyst expectations of approximately $20.20.
CBRS shares are down approximately 11% in premarket trading on Wednesday, June 24, 2026, following an after-hours selloff triggered by the company's first earnings report as a public company. Cerebras beat Q1 revenue expectations with $193.4 million — a 92% year-over-year surge — but missed on earnings per share and issued a gross margin forecast that unsettled investors.