Chip stocks rallied in after-hours trading Wednesday after Micron Technology (MU.O) reported results and guidance above expectations; its shares rose about 15% after hours and were roughly 270% YTD at Wednesday’s close. Qualcomm (QCOM.O) also rallied, gaining as much as 15% after management at an investor day outlined an expanded AI/data-center push and said its data-center chip expansion will deliver "billions of dollars" of revenue in the fiscal year beginning in October.