Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. The Technology sector as a whole closed the day down 1.0% versus the S&P 500, which was down 0.3%. Laggards within the Technology sector included BluePhoenix Solutions ( BPHX), down 2.6%, Kingtone Wirelessinfo Solution ( KONE), down 1.7%, Tel Instrument Electronics ( TIK), down 3.2%, CollabRx ( CLRX), down 17.1% and Aetrium ( ATRM), down 4.3%. TheStreet Ratings Group would like to highlight 3 stocks that pushed the sector lower today: Aetrium ( ATRM) is one of the companies that pushed the Technology sector lower today. Aetrium was down $0.15 (4.3%) to $3.37 on light volume. Throughout the day, 100 shares of Aetrium exchanged hands as compared to its average daily volume of 4,100 shares. The stock ranged in price between $3.37-$3.37 after having opened the day at $3.37 as compared to the previous trading day's close of $3.52. Aetrium has a market cap of $4.7 million and is part of the telecommunications industry. Shares are down 47.3% year-to-date as of the close of trading on Tuesday. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.