The efficiency gains of DeepSeek’s AI models startled the power industry, which is set to invest billions in electricity ...

Amazon fell late on guidance, but Fortinet, Affirm and Doximity led tech earnings winners late. Tesla stock is at a critical level.

Investors still struggling to process the implications of a new administration in Washington, D.C., seem soothed by the Treasury secretary again. But stocks closed mixed on Thursday ahead of a ...