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 4 points (0.0%) at 14,823 as of Tuesday, April 30, 2013, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,672 issues advancing vs. 1,218 declining with 158 unchanged. The Utilities sector currently sits up 0.3% versus the S&P 500, which is unchanged. A company within the sector that fell today was EQT ( EQT), up 0.87. Top gainers within the sector include TransAlta Corporation ( TAC), up 3.1%, AmeriGas Partners ( APU), up 3.0%, AES ( AES), up 1.5% and National Electricity Company of Chile ( EOC), up 1.0%. TheStreet Ratings group would like to highlight 4 stocks pushing the sector lower today: 4. Korea Electric Power ( KEP) is one of the companies pushing the Utilities sector lower today. As of noon trading, Korea Electric Power is down $0.28 (-1.9%) to $14.28 on light volume Thus far, 151,506 shares of Korea Electric Power exchanged hands as compared to its average daily volume of 517,300 shares. The stock has ranged in price between $14.22-$14.33 after having opened the day at $14.32 as compared to the previous trading day's close of $14.56. Korea Electric Power Corporation, an integrated electric utility company, engages in the generation, transmission, and distribution of electricity in Korea. The company generates power from nuclear, coal, oil, liquefied natural gas, hydro, wind, and solar sources. Korea Electric Power has a market cap of $17.9 billion and is part of the utilities industry. The company has a P/E ratio of 24.9, above the S&P 500 P/E ratio of 17.7. Shares are up 1.5% year to date as of the close of trading on Monday. TheStreet Ratings rates Korea Electric Power as a sell. Among the areas we feel are negative, one of the most important has been an overall disappointing return on equity. Get the full Korea Electric Power 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.