Taiwanese chipmaker MediaTek Inc. will hike hiring to support a push into new AI activities, joining fellow tech firms in assuaging concerns about job losses in the era of artificial intelligence.

SK Hynix Inc. plans to double its memory chip capacity over the coming half-decade, a major expansion that should help ease a global shortage of an essential component of AI.

Nvidia Corp. Chief Executive Officer Jensen Huang said he pays his workers as much as possible, weighing in on a growing global debate about how profits from the AI infrastructure boom should be shared.