Twitter's Stock Has Best Day Ever Amid Buyout Rumor By: Benzinga via Benzinga September 23, 2016 at 16:30 PM EDT Shares of Twitter Inc (NYSE: TWTR) gained more than 20 percent on Friday, driven by yet another rumor about the company being in ... Read More >> Related Stocks: Alphabet-A Alphabet-C Bio-Techne Corp Salesforce Twitter, Inc.