After finishing 2016 up 25 percent, commodities are getting another boost from bullish investors. Investment bank Citigroup forecasts commodity prices will increase this year on strengthening demand in China and mounting inflation inspired by President Donald Trump’s “America First” policies. Commodity assets under management globally stood at $391 billion in January, up 50 percent from the same time the previous year, according to Citigroup. Meanwhile, hedge fund managers significantly raised their bets that copper and oil prices have much further to climb, Bloomberg reported, with net-long positions in the Comex and Nymex markets surging to all-time highs. In addition, global...