(Bloomberg) -- A selloff in chipmakers deepened as mounting doubts over returns from billions of dollars of artificial-intelligence spending rippled through semiconductor stocks from Wall Street to Asia. Bonds extended gains as oil retreated.

(Bloomberg) -- A rout in chipmakers sent stocks wavering, following an earlier rally fueled by a drop in oil prices, as pressure is building for the biggest spenders on artificial…

(Bloomberg) -- A selloff in chipmakers sent stocks falling, offsetting a sharp decline in oil prices as pressure keeps building for the biggest spenders on artificial intelligence…