This week, both Google and Amazon announced deals to support nuclear energy projects. Google and Microsoft (MSFT), which announced a nuclear power deal in September, said earlier this year that they are not on track to meet their climate goals,

Taiwan Semiconductor Manufacturing stock rose after the company posted a big jump in profit and sales for the third quarter, beating analysts’ estimates. It’s a sign of strong demand for artificial-intelligence chips.

Major U.S. indexes advanced at midday Thursday as a strong report on demand for artificial intelligence chips boosted the tech sector.