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 down today with the Dow Jones Industrial Average ( ^DJI) trading down 30 points (-0.2%) at 15,264 as of Friday, May 24, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 947 issues advancing vs. 1,953 declining with 121 unchanged. The Diversified Services industry currently is unchanged today versus the S&P 500, which is down 0.46. On the negative front, top decliners within the industry include Computer Sciences Corporation ( CSC), down 1.51, McGraw Hill Financial ( MHP), down 0.96, Hertz Global Holdings ( HTZ), down 1.03 and Paychex ( PAYX), down 0.66. TheStreet Ratings group would like to highlight 4 stocks pushing the industry lower today: 4. AECOM Technology Corporation ( ACM) is one of the companies pushing the Diversified Services industry lower today. As of noon trading, AECOM Technology Corporation is down $0.97 (-3.1%) to $30.06 on light volume Thus far, 275,417 shares of AECOM Technology Corporation exchanged hands as compared to its average daily volume of 801,400 shares. The stock has ranged in price between $30.03-$30.75 after having opened the day at $30.66 as compared to the previous trading day's close of $31.03. AECOM Technology Corporation, together with its subsidiaries, provides professional technical and management support services for commercial and government clients worldwide. AECOM Technology Corporation has a market cap of $3.2 billion and is part of the services sector. Shares are up 30.4% year to date as of the close of trading on Thursday. TheStreet Ratings rates AECOM Technology Corporation as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, increase in net income and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including disappointing return on equity and poor profit margins. Get the full AECOM Technology Corporation 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.