https://www.reuters.com/article/us-tesla-musk-sec-tweet/teslas-musk-appears-to-mock-sec-on-twitter-after-settlement-idUSKCN1ME2M6 >Tesla Inc Chief Executive Elon Musk appeared to mock the U.S. Securities and Exchange Commission in a tweet on Thursday by calling it the "Shortseller Enrichment Commission" days after settling fraud charges it brought against him.