Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. The Transportation industry as a whole closed the day up 0.1% versus the S&P 500, which was unchanged. Laggards within the Transportation industry included Radiant Logistics ( RLGT), down 2.3%, FreeSeas ( FREE), down 4.0%, Dynagas LNG Partners ( DLNG), down 4.5%, StealthGas ( GASS), down 3.0% and Frontline ( FRO), down 8.7%. TheStreet Ratings Group would like to highlight 3 stocks that pushed the industry lower today: Dynagas LNG Partners ( DLNG) is one of the companies that pushed the Transportation industry lower today. Dynagas LNG Partners was down $0.86 (4.5%) to $18.17 on heavy volume. Throughout the day, 118,011 shares of Dynagas LNG Partners exchanged hands as compared to its average daily volume of 48,700 shares. The stock ranged in price between $18.11-$19.50 after having opened the day at $19.05 as compared to the previous trading day's close of $19.03. Dynagas LNG Partners has a market cap of $391.9 million and is part of the services sector. Shares are down 15.3% year-to-date as of the close of trading on Monday. Currently there are 4 analysts who rate Dynagas LNG Partners a buy, no analysts rate it a sell, and 1 rates it a hold. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.