Dell Technologies $(DELL)$: The stock extended its decline in premarket trading following a double-digit drop yesterday, driven by mounting fears of an industry-wide AI overbuild.

Taiwan Semiconductor Manufacturing $(TSM)$: The chip maker's U.S.-listed shares fell ahead of the bell despite it posting its fifth consecutive quarter of record earnings.

Micron Technology $(MU)$, Marvell Technology $(MRVL)$, Intel $(INTC)$, Advanced Micro Devices $(AMD)$: U.S. semiconductor stocks continued to slide in premarket trading after a rough session yesterday.

UnitedHealth Group $(UNH)$: The health-insurance company is scheduled to post its second-quarter results this morning, along with U.S. Bancorp $(USB)$ and GE Aerospace $(GE)$.

Netflix $(NFLX)$: The streaming platform will release its second-quarter report after markets close.

Space Exploration Technologies $(SPCX)$: Shares of Elon Musk's rocket company dipped below their IPO price for the first time during yesterday's session. The stock today is ticking up premarket.