Samsung Electronics Co. plans to spend more than 110 trillion won ($73.3 billion) on chip capacity expansion and research this year, devoting a record amount of capital toward an effort to seize the lead in AI semiconductors.

Samsung Electronics Co. is winding down sales of its Galaxy Z TriFold smartphone after roughly three months on the market, suggesting the $2,899 device was always intended as more of a technological showcase than a cornerstone of the company’s mobile lineup.