MarketWatch | US stocks end lower as crude oil re-enters bear market MarketWatch U.S. stocks lost momentum to finish mostly lower Monday as crude-oil futures returned to bear-market territory and weaker-than-expected manufacturing data raised doubts about the strength of the economy. “The path of least resistance in the short term ... US Stock Gains Unwind As Oil Tumbles MARKET SNAPSHOT: U.S. Stocks End Lower As Crude Oil Re-enters Bear Market |