NEW YORK, Sept 27 (Reuters) - U.S. crude oil futures rose more than 5 percent on Tuesday, the biggest one-day percentage gain in 4-1/2 months, as euro zone efforts to raise the region's bailout fund and support banks sparked buying in equities and commodities markets.
On the New York Mercantile Exchange, crude for November delivery
The contract traded between $80.92 and $84.67, extending gains for two straight sessions. (Reporting by Gene Ramos; Editing by John Picinich)