SK Hynix Inc. said it expects a full recovery in the memory market after AI demand spurred the chipmaker to log its fastest pace of revenue expansion since at least 2010.Sales at the world’s No. 2 maker of memory more than doubled to a bigger-than-expected 12.4 trillion won ($9 billion) in the March quarter. Operating income was 2.89 trillion won, far outperforming estimates for a profit of 1.8 trillion won. It was its second-highest first-quarter operating profit on record....