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 Two out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 60 points (0.4%) at 15,029 as of Tuesday, May 7, 2013, 12:54 PM ET. The NYSE advances/declines ratio sits at 1,907 issues advancing vs. 994 declining with 159 unchanged. The Technology sector currently sits down 0.17 versus the S&P 500, which is up 0.3%. On the negative front, top decliners within the sector include First Solar ( FSLR), down 9.16, Emerson Electric ( EMR), down 1.61, Microsoft Corporation ( MSFT), down 1.19, Taiwan Semiconductor Manufacturing ( TSM), down 0.43 and America Movil S.A.B. de C.V ( AMX), down 0.49. Top gainers within the sector include Alcatel-Lucent ( ALU), up 9.2%, SK Telecom ( SKM), up 4.2%, Nippon Telegraph & Telephone ( NTT), up 4.0%, Baidu ( BIDU), up 2.1% and LinkedIn ( LNKD), up 2.0%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. Telefonica Brasil S.A ( VIV) is one of the companies pushing the Technology sector lower today. As of noon trading, Telefonica Brasil S.A is down $0.75 (-2.8%) to $25.99 on average volume Thus far, 657,371 shares of Telefonica Brasil S.A exchanged hands as compared to its average daily volume of 1.1 million shares. The stock has ranged in price between $25.97-$26.55 after having opened the day at $26.45 as compared to the previous trading day's close of $26.74. Telefonica Brasil S.A. provides fixed-line telecommunications services to residential and commercial customers in Brazil. Telefonica Brasil S.A has a market cap of $30.1 billion and is part of the telecommunications industry. The company has a P/E ratio of 6.5, below the S&P 500 P/E ratio of 17.7. Shares are up 11.1% year to date as of the close of trading on Monday. TheStreet Ratings rates Telefonica Brasil S.A as a buy. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures, attractive valuation levels and expanding profit margins. We feel these strengths outweigh the fact that the company has had somewhat weak growth in earnings per share. Get the full Telefonica Brasil S.A 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.