Home Business Tesla stock and bonds tumble as investors fret about costs and safety Business Tesla stock and bonds tumble as investors fret about costs and safety By Genpie - May 20, 2019 214 0 Facebook Twitter Google+ Pinterest WhatsApp Tesla’s stock and bonds tumbled on Monday as investors worried about the automaker’s cash burn and problems with an Autopilot system that CEO Elon Musk has held out as key to the electric car maker’s future.