Tesla (TSLA. O) has rallied 39 per cent since Mr. Trump's election victory on November 5, adding more than $300 billion to its market capitalisation. It jumped as much as 12 per cent on Monday. Market professionals point out that Tesla is a classic "momentum" stock, with gains and losses quickly snowballing when investor sentiment turns sharply in either direction. "The rally we're seeing is close to absurd mode," said Steve Sosnik, chief strategist at Interactive Brokers. Options trading...