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. All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 91 points (-0.6%) at 15,838 as of Wednesday, Jan. 29, 2014, 11:55 AM ET. The NYSE advances/declines ratio sits at 929 issues advancing vs. 2,026 declining with 145 unchanged. The Technology sector currently sits down 0.2% versus the S&P 500, which is down 0.4%. On the negative front, top decliners within the sector include CommVault Systems ( CVLT), down 10.2%, BT Group ( BT), down 2.1%, Mobile Telesystems OJSC ( MBT), down 2.4%, VimpelCom ( VIP), down 2.2% and Telefonica Brasil S.A ( VIV), down 2.0%. Top gainers within the sector include Corning ( GLW), up 1.3%, China Telecom ( CHA), up 1.0% and International Business Machines ( IBM), up 0.8%. TheStreet would like to highlight 5 stocks pushing the sector lower today: 5. Yandex ( YNDX) is one of the companies pushing the Technology sector lower today. As of noon trading, Yandex is down $1.92 (-5.1%) to $35.76 on heavy volume. Thus far, 2.6 million shares of Yandex exchanged hands as compared to its average daily volume of 2.5 million shares. The stock has ranged in price between $35.28-$37.01 after having opened the day at $37.01 as compared to the previous trading day's close of $37.68. Yandex N.V. operates an Internet search engine in Russia and internationally. Yandex has a market cap of $9.4 billion and is part of the internet industry. The company has a P/E ratio of 46.0, above the S&P 500 P/E ratio of 17.7. Shares are down 12.7% year-to-date as of the close of trading on Tuesday. Currently there are 8 analysts that rate Yandex a buy, no analysts rate it a sell, and none rate it a hold. TheStreet Ratings rates Yandex as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity, solid stock price performance and impressive record of earnings per share growth. We feel these strengths outweigh the fact that the company shows weak operating cash flow. Get the full Yandex 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.