The Transportation sector (IYT) held steady during a trading day that saw the S&P 500 grow 0.6%.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past week. Entering today's trading, IYT was up 0.7% over the last seven trading days while the S&P 500 climbed 2.5%.

Genco Shipping & Trading (GNK) was one of the sector's big losers, as its price dropped 14.6% (-78 cents) to close at $4.57. 2.9 million shares of the stock moved. The stock traded in a range of $4.50 to $4.99. Over the last three months, the stock has lost $2.42 (-34.6%) from a price of $6.99 on February 2, 2012.

Increasing 7.9% (+$4.24) to close at $58.15, Genesee & Wyoming (GWR) was a major gainer in the sector. Today, 1.4 million shares traded hands. The stock traded in a range of $54.75 to $59.99. The stock is down over the last three months, having fallen $6.57 (-10.2%) from $64.72 on February 2, 2012.

Seaspan Corporation (SSW) rose 4.4% to close at $17.44, cross its 50-day moving average of $17.16 and 200-day moving average of $15.16. Baltic Trading (BALT) declined 7.5% to close at $4.30, moving below its 50-day moving average of $4.28 and 200-day moving average of $4.56.

Air Methods Corporation (AIRM) fell 0.7% to close at $83.50, moving down to 0.6% above its 200-day moving average of $82.97. C.H. Robinson Worldwide (CHRW) rose 1.8% to close at $60.80, approaching its 50-day moving average of $64.49. It has also moved closer to its 200-day moving average of $66.60.

Saia (SAIA) hit a new 52-week high today, reaching $19.48 to top the previous high of $18.90.