ProShares UltraShort Bloomberg Natural Gas (NYSEARCA:KOLD – Get Free Report) shot up 12% during trading on Wednesday . The stock traded as high as $78.78 and last traded at $78.42. 3,901,582 shares changed hands during mid-day trading, an increase of 6% from the average session volume of 3,664,294 shares. The stock had previously closed at […]