During trading today, both the Basic Materials sector (XLB) and the S&P500 showed little movement.

Increasing 11.5% (+$1.34) to close at $13.03, A M Castle and (CAS) was a major gainer in the sector. Today, 2.2 million shares traded hands. The stock traded in a range of $11.60 to $13.26.

Medley Capital (MCC) was one of the sector's big losers, as its price dropped 4.4% (-58 cents) to close at $12.63. 3.7 million shares of the stock moved. The stock traded between $12.60 and $12.77. Over the last three months, the stock has gained $1.42 (12.7%) from a price of $11.21 on May 25, 2012.

Intrepid Potash (IPI) rose 4.4% to close at $22.66, cross its 50-day moving average of $22.52 and 200-day moving average of $22.62.

Terra Nitrogen Company L.P (TNH) rose 3.8% to close at $219, approaching its 50-day moving average of $224.41. It has also moved closer to its 200-day moving average of $219.26. Sun Hydraulics Corporation (BAK) fell 2.1% to close at $23.70, moving closer to its 50-day moving average of $23.29. Also, the stock moved closer to its 200-day moving average of $13.93.