Oil prices can climb above $50 a barrel if an output freeze deal is struck in Doha this weekend, according to Bank of America Corp. “A flat output profile for OPEC (excluding Iran) and Russia would tighten global balances by almost 0.5 million barrels a day in the second half relative to our expectations and push the oil market into a deficit in the third quarter,” the U.S. bank wrote in a note on Wednesday. That would “push prices above $50 near term,” it said. […]