Hedge funds turned less bullish on crude oil as OPEC failed to signal it will act to halt the collapse that drove prices to a four-year low. Money managers reduced net-long positions in West Texas Intermediate by 4.1 percent in the week ended Nov. 18, U.S. Commodity Futures Trading Commission data show. Long positions sank to an 18-month low. Outstanding futures contracts dwindled to the lowest level in more than two years. Members of the Organization of Petroleum Exporting Countries will meet in Vienna on Nov. 27 to decide on production after oil plunged 30 percent since June. Leading producers, including Saudi Arabia , are resisting calls to reduce output while others such as Venezuela seek action to support prices. The 20 analysts surveyed last week by Bloomberg are perfectly divided, with half predicting […]