ProShares UltraShort Bloomberg Natural Gas (KOLD) is up 12.6%, or $2.46 to $21.95. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See the top stocks recommended by analysts >> Read More on KOLD: Largest borrow rate increases among liquid names ProShares UltraShort Bloomberg Natural Gas falls -16.0% ProShares UltraShort Bloomberg Natural Gas falls -13.1% Disclaimer & DisclosureReport an Issue