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)

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. (NYSE:AP) was upgraded by analysts at TheStreet to a “buy” rating in a research report issued to clients and investors on Monday. Ampco-Pittsburgh Corp (NYSE:AP) rose 3.03 percent to $23.12 Tuesday on volume of 42,763.00million shares. The intra-day range of the stock was $22.30 to $23.34. Ampco-Pittsburgh Corp (NYSE:AP) has a market capitalization of $240.40million.

Industrial Services of America Inc. (NASDAQ:IDSA) has received a $3-million investment from Recycling Capital Partners LLC (RCP), as well as a $17.8-million credit facility from Wells Fargo Bank NA. Industrial Services of America, Inc. (NASDAQ:IDSA)’s stock on June 17, 2014 reported a increase of 15.94% to the closing price of $5.89. Its fifty two weeks range is $1.43 -$6.19. The total market capitalization recorded $41.64million. The overall volume in the last trading session was 69,418.00million shares. In its share capital, IDSA has 7.07million outstanding shares.

The Gorman-Rupp Company (NYSEMKT:GRC) announces that its wholly-owned subsidiary, National Pump Company (“NPC”), has completed its purchase of the business of Bayou City Pump, Inc. (“BCP”) based in Houston, Texas. On Tuesday, shares of The Gorman-Rupp Company (NYSEMKT:GRC) advanced 5.15% to close the day at $35.55. Company return on investment (ROI) is 10.20% and its monthly performance is recorded as 15.46%. The Gorman-Rupp Company (NYSEMKT:GRC) quarterly revenue growth is 10.23%.

Waste Connections, Inc (NYSE:WCN) VP Mary Anne Whitney unloaded 2,000 shares of the company’s stock on the open market in a transaction dated Tuesday, June 10th. The stock was sold at an average price of $47.01, for a total transaction of $94,020.00. Following the completion of the transaction, the vice president now directly owns 21,374 shares in the company, valued at approximately $1,004,792. Waste Connections, Inc. (NYSE:WCN) stock performance was 0.49% in last session and finished the day at $46.92. Traded volume was 490,589.00million shares in the last session and the average volume of the stock remained 579.37K shares. The beta of the stock remained 0.36. Waste Connections, Inc. (NYSE:WCN) insider ownership is 1.00%.