https://www.cnet.com/roadshow/news/elon-musk-says-sec-oversight-is-broken-in-wake-of-tesla-numbers-tweet/

That action caused Tesla's shares to sink by as much as 4.6 percent in after-hours trading Monday. The stock downturn prompted a Twitter exchange in which someone suggested that while Musk's tweets didn't move the market, the SEC's filing did.

 "Exactly. This has now happened several times. Something is broken with SEC oversight," Musk wrote.