Tesla Shares Rise after Federal Safety Regulators Close Investigation and Aria is a Candidate in Phase II Study

Tesla Motors, Inc. (NASDAQ: TSLA) shares rose on Friday after Federal safety regulators said that they had closed an investigation into whether the design of Tesla Motors’ all-electric car was making it prone to catch fire. This came after the automaker said it would provide more protection to its lithium-ion batteries. The Tesla Model S sedans burst into flames after running over debris two times in the U.S. back in 2013. The drivers were not hurt, but after the second accident, regulators opened their investigation. On its website, the National Highway Traffic Safety Administration