Despite the usual volatility during earnings season, along with worries that the delta variant of the coronavirus could upend the global economic recovery, the index of 30 of the largest U.S. stocks has reached record levels multiple times since early July. Despite the concerns about the delta variant and a litany of other worries including inflation, lack of labor supply, and other risks to the economy, investors continue to be optimistic. But with big plans to continue spending on remodeling and e-commerce, investors expect America's biggest physical retailer to deliver another solid quarter.