Oil’s drop has been so rapid and so driven by sentiment that forecasters from Bank of America Corp. to UBS AG say there are no clear signs for when the rout will end. Brent crude slumped below $50 a barrel yesterday, 57 percent less than the peak of $115.71 reached in June. UBS analysts say investors should avoid oil until the “free fall” ends. Traders are ignoring supply disruptions that would normally boost prices, ABN Amro Bank NV analysts said. Oil’s slump accelerated after Saudi Arabia and other members of the Organization of Petroleum Exporting Countries decided Nov. 27 to maintain their production ceiling. The 12-member group is seeking to protect market share rather than prices, challenging U.S. shale drillers and other rivals to pare their output instead. “It’s not clear that anyone can answer how low it will go,” Ed Morse , global head of commodities research for […]