Tesla is not the only electric vehicle (EV) maker to have seen an explosive rally of its stock so far this year. Shares in Tesla's Chinese competitors have outperformed the global auto index as investor sentiment toward EV stocks has become increasingly positive over the past year, and as some of China's electric car makers announced major financing milestones. Despite the pandemic, the increase in EVs sales in China, the world's largest auto market, was larger than the rise in the overall car market last month, although EVs are…