The S&P 500 lost 0.2% while the Basic Materials sector (XLB) showed little movement during trading today.

The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past month. Entering today's trading, XLB was up 4.3% over the last thirty trading days while the S&P 500 climbed 2.7%.

Gevo (GEVO) rose 30.9% to close at $7.75, cross its 50-day moving average of $6.44 and 200-day moving average of $7.70. Deltic Timber (DEL) declined 2.5% to close at $56.91, moving below its 50-day moving average of $57.62 and 200-day moving average of $62.18.

Allegheny Technologies Incorporated (ATI) rose 2.6% to close at $30.98, approaching its 50-day moving average of $33.98. It has also moved closer to its 200-day moving average of $41.06. Actuant Corporation (ATU) fell 3.4% to close at $26.51, moving closer to its 50-day moving average of $26.07. Also, the stock moved closer to its 200-day moving average of $26.01.

Increasing 11.4% (+35 cents) to close at $3.43, Amyris (AMRS) was a major gainer in the sector. Today, 890,025 shares traded hands. The stock traded in a range of $3.06 to $3.49.

Omega Flex (OFLX) was a major loser in the sector, falling 6.5% (-81 cents) to close at $11.56 with 4,028 shares moving. The stock traded in a range of $11.56 to $12.31. The stock has fallen over the last three months, dropping 94 cents (-7.5%) from $12.50 on March 23, 2012.

Pope Resources L.P (POPE) hit a new 52-week high today, reaching $60.39 to top the previous high of $57.49.