By Akash Sriram and Hyunjoo Jin (Reuters) – Shares of Tesla Inc slid on Thursday, a day after Chief Executive Elon Musk said it was a “little harder” for the electric-vehicle maker to garner demand in the face of a weakening global economy. At least six brokerages lowered their price targets on the stock, with Tesla bull Wedbush Securities making the biggest cut of $60 to bring its target to $300. Tesla’s third-quarter revenue on Wednesday missed analysts’ estimates. Musk told analysts on a conference call on Wednesday that China and Europe are experiencing “a recession of sorts” that are caus…