By Hannah Lang (Reuters) -As companies focused on stockpiling bitcoin and other major cryptocurrencies come under pressure amid market saturation and souring sentiment, new entrants are pushing into less popular tokens, stoking worries over increased volatility. Buoyed by U.S. President Donald Trump's crypto-friendly stance and inspired by the meteoric success of Michael Saylor's Strategy, the number of publicly-traded companies investing in cryptocurrencies ​in the hopes they will appreciate has boomed. ...