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. Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 79 points (-0.5%) at 15,419 as of Friday, Aug. 9, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,348 issues advancing vs. 1,561 declining with 117 unchanged. The Technology sector currently sits up 0.1% versus the S&P 500, which is down 0.2%. On the negative front, top decliners within the sector include America Movil S.A.B. de C.V ( AMX), down 5.7%, America Movil S.A.B. de C.V ( AMOV), down 5.2% and Hewlett-Packard ( HPQ), down 0.9%. Top gainers within the sector include CSR ( CSRE), up 181.4%, Telecom Italia SpA ( TI), up 2.4%, Baidu ( BIDU), up 2.2%, Telekomunikasi Indonesia (Persero) Tbk ( TLK), up 1.7% and American Tower ( AMT), up 1.9%. TheStreet would like to highlight 4 stocks pushing the sector lower today: 4. SK Telecom ( SKM) is one of the companies pushing the Technology sector lower today. As of noon trading, SK Telecom is down $0.69 (-3.2%) to $21.17 on light volume. Thus far, 428,079 shares of SK Telecom exchanged hands as compared to its average daily volume of 1.5 million shares. The stock has ranged in price between $21.14-$21.33 after having opened the day at $21.24 as compared to the previous trading day's close of $21.86. SK Telecom Co., Ltd. provides wireless telecommunications services principally in Korea. SK Telecom has a market cap of $13.6 billion and is part of the telecommunications industry. Shares are up 37.1% year to date as of the close of trading on Thursday. Currently there are 2 analysts that rate SK Telecom a buy, 1 analyst rates it a sell, and none rate it a hold. TheStreet Ratings rates SK Telecom as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, attractive valuation levels, growth in earnings per share and increase in net income. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full SK Telecom Ratings Report now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.