Check out the companies with the biggest premarket moves: Chipmakers — The iShares Semiconductor ETF (SOXX) rose more than 2.5% in premarket trading Monday, rebounding from two days of losses last week that sent the ETF down more than 11%. Intel also rose 2.5%, and Advanced Micro Devices rose 3%. Broadcom rose nearly 2%. Comcast — Shares rose 0.5% after the company’s U.K.-based company, Sky, announced it would buy rival ITV’s television business. Comcast currently owns Sky, but the company recently announced plans to spin off its media assets. ASML Holding — The Dutch semiconductor company rose 4% after Bernstein raised its price target more than 30% to $2,300. Analysts at the company said they were raising their expectations as artificial intelligence drives unprecedented growth in logic and DRAM capacity. T-Mobile US — Shares rose more than 1.5% after Bank of America raised its rating from neutral to buy. The bank said investors were reacting to a bearish peak in the telecom sector and said the stock’s decline of more than 20% from February’s 2026 high was excessive. Datadog — This software company fell more than 2% following a downgrade from Bernstein. The company changed its outlook for the stock from outperform to market perform. Analysts said they still expect the company to be an AI winner, but are cautious about future earnings as future comparisons are difficult and non-AI growth may peak. Lam Research, Applied Materials, KLA — Shares of all three companies were among the S&P 500’s best performers in the premarket after Morgan Stanley analysts raised their price targets for each stock. Lam Research rose more than 4% to top the S&P. Applied Materials and KLA each soared just under 4%.
