Crude oil prices have been on a wild ride in October, hitting a four-year high to start the month before falling $8 in about two weeks. Photo by photostock77/Shutterstock Oct. 19 (UPI) — October has been a rollercoaster month for crude oil, with prices soaring to four-year highs and then tumbling back down again. With Iran oil sanctions just over two weeks away, the wild ride may not be over yet. WTI was up 84 cents to trade at $69 a barrel in mid-day trading Friday while Brent prices were up 87 cents to trade at $80 a barrel. Yesterday, WTI prices fell to $68, a five-week low. To put that in perspective , that’s down $8, or 11 percent, from the high point in early October. Brent prices fell to $78 Thursday, also down $8 a barrel or 9 percent, from the four-year high of $86 on Oct. […]