Natural gas-related exchange traded funds strengthened Tuesday, with natgas prices hitting a 14-year high. The United States Natural Gas Fund (UNG) rose 1.4% on Tuesday. Meanwhile, Nymex natural gas futures were up 2.1% to $8.91 per million British thermal units. Natural gas futures pared gains by late Tuesday, surging by over 11% to $9.75 per million [...] The post Natural Gas ETFs Maintain Momentum, Prices Touch 14-Year High appeared first on ETF Trends .