MarketWatch | Oil slips ahead of contract expiration and data on US crude supplies MarketWatch Oil prices edged lower Tuesday in volatile trading tied to the expiration of the April futures contracts, ahead of data expected to reveal a rise in weekly U.S. crude supplies. Traders also looked for hints on whether the Organization of the Petroleum ... Futures suggest a higher open on Wall Street as oil prices rebound Oil Has Room To Fall As Speculators Bail On Bullish Bets Oil May Be the Key to the Reflation Rally |