Tesla Inc. will reportedly fix software problems in more than 1 million vehicles, according to China's official market regulator. The software fix is being mandated to reduce accidents in Tesla's automated vehicles, states the regulator. 

Elon Musk, Tesla Inc's (TSLA.O) chief executive, testified on Friday that investors do not always react to his Twitter messages as he expects, defending himself in a fraud trial over his 2018 tweet that he had funding to take the electric carmaker private.