Citigroup Inc. expects hedge funds to bet on rising natural gas by the end of the year as strong demand and slowing production help push prices toward the mid-$3 range in 2017. Money managers will probably hold more long positions than short by the end of the year, unless the winter is mild, Citigroup analysts including Anthony Yuen said in an Aug. 3 note. Speculators have reduced their net short positions in natural gas...