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.