Baker Hughes (BHI) is down $2.68 to $38.41 and falling to multi-month lows after the Obama adminstration order the halt of deepwater drilling in the Gulf of Mexico. Yet, in the options, bullish flow detected in Baker Hughes, with 9772 calls trading, or 3x the recent avg daily call volume in the name. Jun 40 calls are the most actives. 5,360 traded (94 percent Ask). Another 1093 June 38 calls changed hands (93 percent Ask). Volume exceeds open interest in both contracts and ISEE data (88 percent) is also consistent with opening customer buyers.