Investor's Business Daily - Investing RSS http://ift.tt/1FTRxoK Oil dropped on speculation that air strikes by Saudi Arabia and its allies against rebel sites in Yemen don't pose a threat to ample global crude supplies. Futures slipped 5% in New York, paring their gain this week to 6.9%. Saudi Arabia led a coalition of 10 Sunni-ruled nations that bombed Shiite rebels in Yemen, on the southern tip of the Arabian peninsula. The situation is unlikely to have any near-term effect on global oil