During trading today, the S&P 500 dropped 0.3%, and the Transportation sector (IYT) showed little change.

While being down today, the ETF, as a proxy for sector performance, tracked closer to the overall market today than over the past month. Entering today's trading, IYT was down 2.4% over the last thirty trading days while the S&P 500 was down 5.8%.

Overseas Shipholding Group (OSG) was a major gainer in the sector, rising 9.7% (+$1.04) to close at $11.75 with 742,848 shares moving. The stock traded in a range of $10.59 to $11.84. Over the last three months, the stock has gained $2.90 (32.8%) from a price of $8.85 on February 29, 2012. Similarly, Covenant Transportation Group (CVTI) gained today, increasing 29 cents (+8.6%) to close at $3.67.

American Railcar Industries (ARII) was a major loser in the sector. Its price dropped 3% (-65 cents) to close at $21.36, as 54,389 shares moved. The stock traded in a range of $21.20 to $21.95. Over the last three months, the stock has lost $8.14 (-27.6%) from a price of $29.50 on February 29, 2012.

JetBlue Airways Corporation (JBLU) rose 3.3% to close at $4.75, cross its 50-day moving average of $4.66 and 200-day moving average of $4.92.

Frontline (FRO) rose 8% to close at $5.38, approaching its 50-day moving average of $5.93. It has also moved closer to its 200-day moving average of $5.47. Hub Group (UTIW) fell 1% to close at $35.25, moving closer to its 50-day moving average of $34.95. Also, the stock moved closer to its 200-day moving average of $15.59.

Mobile Mini (MINI) hit a new 52-week low today, hitting $13.36 to fall below the previous low of $13.37.