By Dan Weil The slump in U.S. consumer confidence shows the economy and earnings are at risk, Morgan Stanley says. But it has some stock buys in mind. Last week’s news of weakening consumer confidence bodes ill for the stock market, according to Morgan Stanley. “We remain more concerned about growth than most, and Friday’s consumer confidence number should not be overlooked in that regard,” wrote Morgan Stanley strategists led by Michael Wilson. The stock market’s correction remains incomplete, they said. The University of Michigan’s preliminary consumer sentiment index fell to a 10-year low o…