crude oil futures jumped more than 3 percent as the weaker dollar prompted investors to buy higher-yielding assets such as commodities and stocks.The greenback weakened on better-than-expected U.S. stocks were littlechanged on Tuesday as outlooks from Target (TGT.N) and HomeDepot (HD.N) sparked caution about holiday spending, offsettingupbeat broker views on Microsoft(MSFT.O) and Exxon [...]