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 24 points (-0.2%) at 15,303 as of Thursday, Sept. 12, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 960 issues advancing vs. 1,922 declining with 143 unchanged. The Technology sector currently sits down 0.3% versus the S&P 500, which is down 0.3%. On the negative front, top decliners within the sector include LG.Display Company ( LPL), down 4.4%, China Telecom ( CHA), down 3.6%, Rogers Communications ( RCI), down 2.6%, Wipro ( WIT), down 2.4% and Crown Castle International ( CCI), down 2.2%. Top gainers within the sector include Nokia Oyj ( NOK), up 5.2%, ASML ( ASML), up 4.2%, Qualcomm ( QCOM), up 1.3%, Sap ( SAP), up 1.3% and AT&T ( T), up 1.1%. TheStreet would like to highlight 5 stocks pushing the sector lower today: 5. Corning ( GLW) is one of the companies pushing the Technology sector lower today. As of noon trading, Corning is down $0.44 (-3.0%) to $14.44 on heavy volume. Thus far, 8.9 million shares of Corning exchanged hands as compared to its average daily volume of 10.2 million shares. The stock has ranged in price between $14.41-$14.89 after having opened the day at $14.88 as compared to the previous trading day's close of $14.89. Corning Incorporated produces and sells specialty glasses, ceramics, and related materials worldwide. It operates through five segments: Display Technologies, Telecommunications, Environmental Technologies, Specialty Materials, and Life Sciences. Corning has a market cap of $21.7 billion and is part of the electronics industry. Shares are up 17.7% year to date as of the close of trading on Wednesday. Currently there are 8 analysts that rate Corning a buy, 1 analyst rates it a sell, and 5 rate it a hold. TheStreet Ratings rates Corning as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, expanding profit margins, solid stock price performance and growth in earnings per share. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Corning 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.