Levi Strauss $(LEVI)$, Costco Wholesale $(COST)$: The jeans maker is due to post second-quarter earnings this afternoon; Costco will report June sales.

Applied Materials $(AMAT)$, Micron Technology $(MU)$, Marvell Technology $(MRVL)$, Intel $(INTC)$, Advanced Micro Devices $(AMD)$: The chip stocks fell in premarket trading, on course to extend a slide sparked by guidance from Samsung Electronics (KR:005930) yesterday that failed to meet lofty expectations. Samsung shares also slid in Seoul.

Chevron $(CVX)$, ExxonMobil $(XOM)$: The oil giants' shares gained ground ahead of the bell after oil prices jumped amid escalating tensions in the Middle East.

Rivian Automotive (RIVN): Shares in the electric-vehicle maker dropped further in premarket trading after an 18% dive yesterday, sparked by plans to sell more shares.