FILE PHOTO: A Tesla electric vehicle at the Auto Shanghai show in Shanghai, China (Reuters) - Shares of Tesla Inc fell nearly 6% on Tuesday after a string of brokerages cut their price targets on the electric-vehicle maker's stock, citing the risk from Elon Musk's Twitter distraction. Tesla's shares hit a more than two-year low of $140.86. Analysts say investors are worried that Musk may need to sell shares further to fund Twitter and sentiment around the acquisition of the social media firm could hurt the EV maker's brand. Evercore ISI, which slashed its price target on the company's shares...