Intel shares plunged more than 15% on Friday after the chipmaker issued lackluster guidance and warned of a supply shortage.

Intel INTC 0.13% swung to a loss for the fourth quarter on Thursday, and forecast further losses in the first quarter as the company spends heavily to ramp up production of its latest chips while cont...

Fourth-quarter revenue declined 4.1% to $13.7 billion, while adjusted gross margin came in at 37.9% and is expected to contract further to 34.5% in the current period, levels management said are not a...