The Tesla automotive plant in Shanghai continues to produce vehicles at an impressive rate, but Tesla’s Chinese market share keeps falling. Tesla, it appears, needs more capacity to defend its market share in the world’s largest market for electric vehicles. A Chinese automotive data provider, the CPCA, released November EV numbers Wednesday. In China, Tesla (ticker: TSLA) produced almost 53,000 vehicles in November. The company sold about 32,000 domestically and exported the rest. Tesla...