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 up today with the Dow Jones Industrial Average ( ^DJI) trading up 30 points (0.2%) at 16,949 as of Wednesday, Aug. 20, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,346 issues advancing vs. 1,589 declining with 185 unchanged. The Technology sector currently sits down 0.1% versus the S&P 500, which is up 0.1%. On the negative front, top decliners within the sector include Nortel Inversora ( NTL), down 8.1%, SK Telecom ( SKM), down 1.3%, Adobe Systems ( ADBE), down 1.3%, China Unicom (Hong Kong ( CHU), down 1.2% and Kyocera ( KYO), down 0.9%. Top gainers within the sector include International Rectifier ( IRF), up 47.4%, Micron Technology ( MU), up 2.7%, F5 Networks ( FFIV), up 2.6%, T-Mobile US ( TMUS), up 2.1% and Garmin ( GRMN), up 1.9%. TheStreet would like to highlight 3 stocks pushing the sector lower today: 3. Youku Tudou ( YOKU) is one of the companies pushing the Technology sector lower today. As of noon trading, Youku Tudou is down $1.62 (-7.5%) to $19.90 on heavy volume. Thus far, 7.2 million shares of Youku Tudou exchanged hands as compared to its average daily volume of 2.9 million shares. The stock has ranged in price between $19.20-$20.31 after having opened the day at $20.31 as compared to the previous trading day's close of $21.52. Youku Tudou Inc. operates as an Internet television company in the People's Republic of China. Its Internet television platform enables consumers to search, view, and share video content across various devices. Youku Tudou has a market cap of $3.6 billion and is part of the internet industry. Shares are down 29.0% year-to-date as of the close of trading on Tuesday. Currently there are 4 analysts that rate Youku Tudou a buy, 1 analyst rates it a sell, and 2 rate it a hold. TheStreet Ratings rates Youku Tudou as a sell. The company's weaknesses can be seen in multiple areas, such as its disappointing return on equity, poor profit margins and feeble growth in its earnings per share. Get the full Youku Tudou 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.