Oil prices headed for a third weekly loss on Friday after Saudi Arabia warned of oversupply, while a slump in stock markets and concerns about trade clouded the outlook for fuel demand.  Brent crude oil LCOc1 was down 70 cents at $76.19 per barrel by 0740 GMT, on course for a weekly loss of more than 4 percent. It has fallen by close to $10 in the last three weeks. U.S. crude CLc1 was 70 cents lower at $66.63, set for a 3.5 percent loss this week. “The near $10 per barrel drop in Brent crude seen over October is a spillover from the global sell-off in equities,” Fitch Solutions said in a note to clients. A global collapse in […]