Job openings in the United States rebounded to a near-record high in October while the total number of people leaving their jobs edged down, delivering a fresh sign of continued labor market tightness and suggesting that the recent moderation in employment growth was due to a shortage of workers rather than falling demand. The Labor Department said in its monthly Job Openings and Labor Turnover Survey (JOLTS) on Dec. 8 that job openings, which are a measure of labor demand, rose 431,000 to 11 million on the last day of October, the second-highest number on record. July saw U.S. job openings surge to an all-time high of 11.1 million, followed by a drop to 10.6 million for each of the following two months, driven in part by the Delta wave that cooled activity. “The overall level of job openings remains very high, affirming that workers are very often in the …