Oil futures swayed by better outlook for US economy and Greek aid deal. It's the first time since early June that oil futures have breached the $100 level.
Oil, stocks, and the economy faltered this week, with oil poised to drop in the lead-up to an OPEC meeting.
Oil futures drop below $98 a barrel. Gasoline futures decline even more. Oil futures now down 15 percent this month.
AAA says gas prices across the US have fallen, as Americans head out by car to enjoy the Memorial Day weekend.