Companies in a number of completely different industries are rescinding job provides they made just some months in the past, in an indication the tightest labor market in a long time could also be exhibiting cracks. Corporations together with Twitter Inc. , real-estate brokerage Redfin Corp. , and cryptocurrency change Coinbase International Inc. have rescinded provides in current weeks. Employers in different pockets of the economic system are pulling away provides too, together with some in insurance coverage, retail advertising, consulting and recruiting companies. On the similar time, many corporations have signaled a extra cautious hiring method. Netflix Inc. , Peloton Interactive Inc. , Carvana Co. and others introduced layoffs.…