Will Elon Musk's Drug Use Hurt Tesla? Robert Daemmrich Photography Inc / Getty Images In a long and extremely detailed article, The Wall Street Journal reported that Tesla (NASDAQ: TSLA) founder Elon Musk has used serious and often illegal drugs. Some of the people who work with him worry his behavior could harm decisions and that, in turn, this could hurt Tesla’s stock.According to the Journal investigation, “In recent years, some executives and board members at his companies and others close to the bill ...