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 72 points (0.5%) at 14,749 as of Thursday, April 25, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 2,049 issues advancing vs. 833 declining with 158 unchanged. The Services sector currently sits up 1.1% versus the S&P 500, which is up 0.7%. On the negative front, top decliners within the sector include Safeway ( SWY), down 17.13, Kroger ( KR), down 2.40, Charter Communications ( CHTR), down 1.70, Whole Foods Market ( WFM), down 1.19 and Yum Brands ( YUM), down 1.21. Top gainers within the sector include Cabela's ( CAB), up 15.3%, R.R. Donnelley & Sons Company ( RRD), up 14.8%, Royal Caribbean Cruises ( RCL), up 7.4%, Service Corporation International ( SCI), up 7.3% and LKQ Corporation ( LKQ), up 6.6%. TheStreet Ratings group would like to highlight 4 stocks pushing the sector lower today: 4. Luxottica Group ( LUX) is one of the companies pushing the Services sector lower today. As of noon trading, Luxottica Group is down $0.45 (-0.8%) to $52.55 on light volume Thus far, 15,057 shares of Luxottica Group exchanged hands as compared to its average daily volume of 128,500 shares. The stock has ranged in price between $52.42-$52.72 after having opened the day at $52.58 as compared to the previous trading day's close of $53.00. Luxottica Group S.p.A., together with its subsidiaries, provides fashion, luxury, and sports eyewear worldwide. The company operates in two segments, Manufacturing and Wholesale Distribution, and Retail Distribution. Luxottica Group has a market cap of $24.9 billion and is part of the retail industry. The company has a P/E ratio of 54.0, above the S&P 500 P/E ratio of 17.7. Shares are up 28.2% year to date as of the close of trading on Wednesday. TheStreet Ratings rates Luxottica Group as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth, compelling growth in net income, notable return on equity and solid stock price performance. Although the company may harbor some minor weaknesses, we feel they are unlikely to have a significant impact on results. Get the full Luxottica Group 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.