Twitter Inc (NYSE:TWTR) needs to have more data to back that they do provide value as an advertising platform, Kara Swisher said in a recent discussion on CNBC. Twitter Inc (NYSE:TWTR) stock finished the day at $38.02. Traded volume was 30.32million shares in the last session and the average volume of the stock remained 23.31million shares. Twitter Inc (NYSE:TWTR) insider ownership is 0.80%. Ampco-Pittsburgh Corp. … Continue reading Watch List: Twitter Inc (NYSE:TWTR), Ampco-Pittsburgh Corp (NYSE:AP), Industrial Services of America (NASDAQ:IDSA), The Gorman-Rupp Company (NYSEMKT:GRC), Waste Connections (NYSE:WCN)