The Basic Materials sector (XLB) showed little movement on a trading day that saw S&P 500 fall 1.5%.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past week. Entering today's trading, XLB was up 1.3% over the last seven trading days while the S&P 500 climbed -0.3%.

Increasing 10% (+9 cents) to close at 99 cents, Gushan Environmental Energy (GU) was a major gainer in the sector. Today, 133,485 shares traded hands. The stock traded in a range of 87 cents to $1. Over the last three months, the stock has lost 47 cents (-32.2%) from a price of $1.46 on March 2, 2012.

RTI International Metals (RTI) was a major loser in the sector. Its price dropped 9% (-$2.16) to close at $21.80, as 935,066 shares moved. The stock traded between $21.66 and $23.22. The stock has been going in a negative direction over the last month, dropping $2.75 (-11.2%) from a price of $24.55 on April 30, 2012.

New Gold (NGD) rose 1% to close at $8.87, cross its 50-day moving average of $8.85 and 200-day moving average of $10.19. Balchem Corporation (BCPC) declined 6.3% to close at $28.82, moving below its 50-day moving average of $29.36 and 200-day moving average of $33.50.

PPG Industries (ALB) fell 2.7% to close at $102.26, moving closer to its 50-day moving average of $101.86. Also, the stock moved closer to its 200-day moving average of $59.94.

RBC Bearings Incorporated (ROLL) hit a new 52-week high today, reaching $49.47 to top the previous high of $48.05.