Tesla stock slumps as ‘Master Plan 3’ event falls flat with investors

Tesla’s shares fell as much as 8% in early trading on Thursday as investor reaction to Elon Musk’s “Master Plan 3” presentation was lukewarm, adding another headache for the electric car maker. Musk and other executives hinted at a cheaper “next-gen” electric vehicle at an Investor Day event Wednesday at the company’s Austin, Texas, headquarters, […]