ToplineThe latest instance of a stock market slide sparked by investor unease from the latest move by President Donald Trump is none other than Tesla, the electric vehicle company led by Elon Musk, the world’s richest man and the self-described “first buddy” of Trump, as Wall Street braces for a crucial update from the car company.President Donald Trump and Elon Musk pose with Teslas at the White House last month.Getty Images Key FactsShares of Tesla fell 7% to $224, their lowest price since April 8, just b ...