Elon Musk joined President Trump’s delegation to China for high level talks with Chinese officials. During the visit, President Xi Jinping told Musk and other US CEOs that China plans to open its door wider to American companies. The trip raised investor focus on potential implications for Tesla’s Full Self Driving software, supply chain, and China based operations. Tesla (NasdaqGS:TSLA) is a major electric vehicle and clean energy company with large scale manufacturing and sales exposure…