Navitas Semiconductor stock soared over 200% in overnight trading. Nvidia will collaborate with Navitas Semiconductor on its next-generation 800V HVDC architecture.

Lumen Technologies's mass-markets fiber business will be substantially bought by AT&T, which said the deal will accelerate high-speed fiber internet access for millions of Americans. The acquisition, expected to close in the first half of 2026, will create jobs in metro areas across 11 states and improve critical connectivity infrastructure, AT&T said. The deal includes about 1 million Lumen fiber subscribers across more than 4 million locations, all of whom will transition to become AT&T Fiber customers. Lumen shares climb 13% in overnight trading.

Snowflake 's shares jumped over 7% in overnight trading after it topped first-quarter results estimates and forecast current-quarter revenue above expectations. Snowflake raised its fiscal 2026 forecast for product revenue on Wednesday, betting on strong demand for its data analytics services as enterprises prioritize artificial intelligence spending.

Hims & Hers stock fell 5% in overnight trading. Cigna will cap out-of-pocket costs at $200 per month for patients using the weight-loss drugs Wegovy and Zepbound through an add-on to its pharmacy benefit management plans, the company announced on Wednesday.

UnitedHealth shares continued to fall 2.6% in overnight trading after falling nearly 6% on Wednesday after the UK's Guardian newspaper reported the company made secret payments to nursing homes to reduce hospital transfers, adding to the woes of the healthcare conglomerate.