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 All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 54 points (0.4%) at 15,287 as of Friday, May 17, 2013, 12:54 PM ET. The NYSE advances/declines ratio sits at 1,992 issues advancing vs. 899 declining with 140 unchanged. The Technology sector currently sits up 1.0% versus the S&P 500, which is up 0.5%. On the negative front, top decliners within the sector include Catamaran ( CTRX), down 4.10, LM Ericsson Telephone Company ( ERIC), down 1.40, BT Group ( BT), down 1.08, America Movil S.A.B. de C.V ( AMOV), down 0.69 and Nippon Telegraph & Telephone ( NTT), down 0.61. Top gainers within the sector include Viasat ( VSAT), up 15.8%, Mercadolibre ( MELI), up 4.5%, Sensata Technologies Holding N.V ( ST), up 3.8%, Micron Technology ( MU), up 2.7% and Emerson Electric ( EMR), up 2.5%. TheStreet Ratings group would like to highlight 5 stocks pushing the sector lower today: 5. TELUS ( TU) is one of the companies pushing the Technology sector lower today. As of noon trading, TELUS is down $0.34 (-0.9%) to $36.28 on light volume Thus far, 47,422 shares of TELUS exchanged hands as compared to its average daily volume of 138,200 shares. The stock has ranged in price between $36.00-$36.33 after having opened the day at $36.00 as compared to the previous trading day's close of $36.62. TELUS Corporation provides telecommunications products and services primarily in Canada. Its telecommunications products and services include wireless, data, Internet protocol (IP), voice, and television. The company operates through two segments, Wireless and Wireline. TELUS has a market cap of $23.8 billion and is part of the telecommunications industry. The company has a P/E ratio of 16.8, below the S&P 500 P/E ratio of 17.7. Shares are up 6.1% year to date as of the close of trading on Thursday. TheStreet Ratings rates TELUS as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, growth in earnings per share, good cash flow from operations and increase in net income. Although no company is perfect, currently we do not see any significant weaknesses which are likely to detract from the generally positive outlook. Get the full TELUS 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.