The US Oil Fund (USO) is down $2.64 to $93.05 a share and USO put volume is outpacing call volume by a ratio of six-to-one. Todays action included the purhcase of 3,000 of the June 90/80 bear put spreads. (see /color USO for details). The fund is under pressure as crude oil slips $3.39 to its lows of the trading session ($115.36 a barrel). Gold is down $18.80 to $876.70 an ounce.