During trading today, both the Transportation sector (IYT) and the S&P500 showed little movement.

Arkansas Best Corporation (ABFS) was a significant gainer in the sector, rising 11.8%. The stock closed at $13.69 with 1.1 million shares moving. The stock traded in a range of $12.87 to $14.35. Share price has been climbing, and is up $2.51 (22.5%) from a price of $11.18 on July 24, 2012.

Genco Shipping & Trading (GNK) was one of the sector's big losers, as its price dropped 8.1% (-19 cents) to close at $2.16. 916,742 shares of the stock moved. The stock traded in a range of $2.13 to $2.43.

The Greenbrier Companies (GBX) rose 9% to close at $16.30, crossing its 50-day moving average of $15.23. Meanwhile, GulfMark Offshore (GLF) dropped 6.8% to close at $35.95, moving below its 200-day moving average or $41.25.

Celadon Group (CGI) rose 2.4% to close at $14.93, approaching its 50-day moving average of $15.27. It has also moved closer to its 200-day moving average of $14.95. Forward Air Corporation (FWRD) fell 2.2% to close at $33.46, moving down to 0.5% above its 200-day moving average of $33.29.