ProShares UltraShort Bloomberg Natural Gas (KOLD) is up 13.9%, or $7.64 to $62.80. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on KOLD: Largest borrow rate increases among liquid names ProShares UltraShort Bloomberg Natural Gas falls -16.4% ProShares UltraShort Bloomberg Natural Gas falls -15.1% Disclaimer & DisclosureReport an Issue