Chip stocks jumped in morning trading. Direxion Daily Semiconductors Bull 3x Shares rose 16%; Arm and Marvell Technology rose 12%; SanDisk, Intel, SK hynix, Micron, and AMD rose 6%; Western Digital and Broadcom rose 5%; Seagate Technology, Qualcomm, and ASML rose 4%; Nvidia and TSMC rose 2%.