Today's biggest movers. Our screens cover mega-cap down to micro-cap and surface the catalyst behind the move.
200 articles
Micron Technology, Inc. (MU) drops sharply as investors lock in gains after a strong earnings run and broader weakness hits memory and AI chip stocks. Despite the pullback, recent results, analyst upgrades, and new customer deals keep the long-term AI memory story intact.
Advanced Micro Devices, Inc. (AMD) drops sharply as investors rotate out of semiconductors and high-growth tech. The move appears driven by broad profit-taking after a strong first half, not a fresh AMD-specific setback, even as the company’s AI and data center momentum remains intact.
Arm Holdings plc American Depositary Shares (ARM) drops 5.1% as chip stocks sell off in a broader AI and semiconductor risk-off move. The decline appears tied to valuation pressure and profit-taking rather than company-specific news, leaving investors focused on Arm’s premium multiple and high-beta profile.
Rivian Automotive, Inc. (RIVN) climbs after beating Q2 delivery guidance and lifting its full-year 2026 outlook. The move reflects stronger execution, rising demand, and improved confidence in Rivian’s growth path, though the company still faces profitability and cash burn risks.
KLA Corporation (KLAC) drops sharply as a broad semiconductor selloff sweeps through AI-linked chip stocks. With no company-specific negative headline, the move appears driven by valuation pressure and profit-taking after a strong run in the sector.
Lam Research Corporation (LRCX) drops sharply as semiconductor stocks sell off across the board. The move appears tied to sector-wide valuation pressure and AI trade unwinding, not a company-specific setback, after Lam’s strong first-half rally and recent earnings momentum.
Tesla, Inc. (TSLA) drops 7.1% even after a major Q2 delivery beat, as investors refocus on valuation and profit quality. The move looks like a sell-the-news reset in a stock still priced for exceptional growth, with traders weighing strong unit volume against margin risk and lofty expectations.
AstraZeneca PLC (AZN) rises 6.5% after announcing a kidney disease collaboration with CSPC Pharmaceutical Group worth up to $1.77B. The move also reflects broader defensive buying in healthcare as investors reward AstraZeneca’s pipeline expansion and steady earnings execution.
Robinhood Markets, Inc. (HOOD) rises after unveiling Robinhood Chain, tokenized stocks, DeFi tools, and a broader crypto expansion. The move reflects growing investor confidence in Robinhood’s shift from a retail brokerage app to a wider financial platform with new growth avenues.
CrowdStrike Holdings, Inc. (CRWD) crashes in after-hours trading, but the move is tied to a 4-for-1 stock split rather than a business breakdown. The cybersecurity leader remains fundamentally strong, with recent earnings beats, bullish analyst targets, and a premium valuation still driving investor debate.
WESCO International, Inc. (WCC) climbs after hours after completing its Newark Engineering Group acquisition, a move that expands its data center cooling and lifecycle services business. The stock’s jump reflects investor optimism around WESCO’s fast-growing data center exposure, strong recent sales momentum, and supportive analyst sentiment.
Advanced Micro Devices, Inc. (AMD) drops sharply as semiconductor stocks sell off on renewed AI spending skepticism and bubble-risk concerns. The move comes after a strong run to fresh highs, leaving the stock vulnerable to valuation pressure despite solid recent fundamentals and continued earnings momentum.
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