U.S. bank Goldman Sachs slashed it oil forecasts on Monday, saying fuel prices needed to stay low for much longer in order to curb production and end a global supply glut. Goldman Sachs oil analysts led by Jeffrey Currie said the collapse in oil prices over the last six months, which has brought North Sea Brent crude down almost 60 percent to below $50 a barrel, would eventually balance the market. But they said crude oil prices could come down much further in the short term, possibly into the high $30s a barrel before the market saw a rebound. Goldman Sachs is one of the most influential U.S. banks in commodities markets. In 2008, when oil prices were racing up toward their all-time high at almost $150 a barrel, the bank forecast crude could hit $200. The bank said on Monday it had cut its 2015 […]