Tesla’s $1.5 billion bitcoin investment couldn’t have come at a better time for the electric car manufacturer. As it happened, about the time the company revealed its massive stake in the cryptocurrency on Feb. 8, Chinese officials had announced that five agencies were questioning Tesla about quality and safety issues. Specifically, China’s State Administration for Market Regulation issued this short statement on Feb. 8 at 8:00 p.m. China Standard Time (12:00 UTC): “Recently, the General Administration of Market Supervision and the Central Cyberspace Administration of China, the Ministry of Industry and Information ... (full story)