Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model One out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading down 30 points (-0.2%) at 15,089 as of Monday, May 13, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,245 issues advancing vs. 1,704 declining with 112 unchanged. The Technology sector currently sits up 0.1% versus the S&P 500, which is unchanged. On the negative front, top decliners within the sector include Nielsen Holdings ( NLSN), down 3.09, Agilent Technologies ( A), down 1.97, China Telecom ( CHA), down 1.84, Sprint Nextel ( S), down 1.63 and ABB ( ABB), down 1.64. Top gainers within the sector include Nokia Oyj ( NOK), up 6.3%, SK Telecom ( SKM), up 3.4%, Tim Holding Company ( TSU), up 2.4%, Telefonica Brasil S.A ( VIV), up 1.0% and Qualcomm ( QCOM), up 0.6%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. Activision Blizzard ( ATVI) is one of the companies pushing the Technology sector lower today. As of noon trading, Activision Blizzard is down $0.31 (-2.1%) to $14.64 on average volume Thus far, 3.1 million shares of Activision Blizzard exchanged hands as compared to its average daily volume of 7.9 million shares. The stock has ranged in price between $14.64-$14.94 after having opened the day at $14.87 as compared to the previous trading day's close of $14.95. Activision Blizzard, Inc. publishes online, personal computer (PC), console, handheld, and mobile interactive entertainment products worldwide. It operates in three segments: Activision, Blizzard, and Distribution. Activision Blizzard has a market cap of $16.1 billion and is part of the computer software & services industry. The company has a P/E ratio of 12.8, below the S&P 500 P/E ratio of 17.7. Shares are up 35.5% year to date as of the close of trading on Friday. TheStreet Ratings rates Activision Blizzard 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, attractive valuation levels, increase in stock price during the past year 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 Activision Blizzard Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.