https://www.cnbc.com/2018/09/06/twitter-sheds-another-6percent-following-ceo-jack-dorsey-testimony.html > Shares of Twitter shed another 6 percent Thursday, adding to the stock's 6 percent dip Wednesday, during CEO Jack Dorsey's week in Washington. > The stock fell as low as $30.67 in midday trading, down more than 12 percent for the week.