The world’s biggest oil companies are benefiting from the high commodity prices that have been a drag on the rest of the economy.

© Meridith Kohut for The New York Times

Amazon joined a procession of tech giants that ramped up their spending on artificial intelligence, as its capital expenditures soared 69 percent. Concerns over the industry’s spending are mounting.

The company recently raised prices on a number of products because of component supply shortages caused by the artificial intelligence boom.

The Silicon Valley chipmaker’s revenue rose 25 percent in the latest quarter, its fastest growth in 15 years, as A.I. firms increasingly bought chips known as central processing units.

The company is selling more cars, but the company’s profit was down because of price cuts and higher expenses.

Google’s parent company, which has spent heavily on artificial intelligence, also showed growth across its businesses, particularly in cloud computing.

Tesla sales are rebounding in Europe even though many people have negative feelings about Elon Musk, the company’s chief executive. We want to know why.

Tesla sales are rebounding in Europe even though many people have negative feelings about Elon Musk, the company’s chief executive. We want to know why.

© Nam Y. Huh/Associated Press

The company’s shares jumped on Monday, and executives announced that they had raised even more money in an already record-breaking initial offering.