The S&P 500 ($SPX) and Nasdaq ($QQQ) reached new all-time highs driven by AI earnings momentum, while the PHLX Semiconductor Index rose 2.6%. Optical networking assets $LITE, $COHR, and $GLW gained on data center demand, and $CBRS raised its IPO price range to $150–$160 per share. Other notable movers included $TSLA, $HIMS, and $ASTS following earnings and guidance updates, while $BABA, $KWEB, and $JD hit 11-year highs amid U.S.-China trade developments.