Citigroup, The Dow Chemical Company Among Stocks Down on Above-average Volume Monday

There are a few stocks that are down on high volume today:

• Citigroup (NYSE:C) is trading down on a volume of 17.8 million, or 20.8 times its standard daily volume. A decrease of 3% has brought the stock price to $33.74. Shares have been on on the rise over the past three months, climbing 26 cents (0.8%) from a price of $34 on March 8, 2012. The stock is trading 7.8% above its 200-day moving average.

• The Dow Chemical Company (NYSE:DOW) is down on high volume today, trading with volume of 15.4 million, or 1.6 times its average daily volume. The stock price has sunk 3.1% to $32.38. Shares are down $2.26 (-6.5%) from a price of $34.64 on March 30, 2012. The stock is trading 4.8% above its 200-day moving average.

• Today, Centene (NYSE:CNC) is down on high volume, trading at a volume of 1.5 million, or 1.8 times its average daily volume. Trading at $43.76, the stock is down 13.9%. Shares are down, having dropped $5.21 (-10.6%) from a price of $48.97 on March 30, 2012. The stock is trading 6.9% above its 200-day moving average.

• InterMune (NASDAQ:ITMN) is seeing its price fall on above-normal volume today, as 3.5 million shares have moved, or 2.1 times its average daily volume. Shares have fallen 12.5% to $13.38. Over the last three months, the stock has lost $2.93 (-18%) from a price of $16.31 on January 10, 2012. The stock has moved down across its 50-day moving average of $14.42 today.

• Trading at a volume of 1.2 million, or 2.7 times its average daily volume, The Greenbrier Companies (NYSE:GBX) is down on high volume today. The stock price has dropped 5.1% to $18.70. The stock has fallen over the last three months, dropping $7.44 (-28.5%) from $26.14 on January 10, 2012. The stock is trading at 84.1% of its 50-day moving average and 87.9% of its 200-day moving average.

• ZHONGPIN INC (NASDAQ:HOGS) is down on high volume today, trading with volume of 1.8 million, or 1.7 times its average daily volume. The stock is down 5.1% to $9.99. The stock has been slipping recently, and shares are down $1.26 (-11.2%) from a price of $11.25 on March 30, 2012. The stock has dropped a step closer to its 200-day moving average, sitting just 1.9% above the mark.

• Optimer Pharmaceuticals (NASDAQ:OPTR) is trading down on above-normal volume today, seeing a price drop on a volume of 832,857, or 1.7 times its average daily volume. Shares have dropped 6.6% to $13.35. Over the last three months, the stock has gained $1.22 (10.1%) from a price of $12.13 on January 10, 2012. The stock is trading 5.1% above its 200-day moving average.

• Today, ClickSoftware Technologies (NASDAQ:CKSW) is down on high volume, trading at a volume of 771,316, or 7.4 times its average daily volume. Shares are off 13% to $10.90. The stock has seen some negative movement recently as shares are down $1.78 (-14%) from a price of $12.68 on March 30, 2012. The stock is trading 6.1% above its 200-day moving average.

• Primoris Services (NASDAQ:PRIM) is trading down on a volume of 372,651, or 1.5 times its normal daily volume. The stock price had dipped 4% to $15.03. The stock has been on a downward trajectory over the last two months, sliding $1.47 (-8.9%) from a price of $16.50 on February 8, 2012. The stock has dropped a step closer to its 200-day moving average, sitting just 2.3% above the mark.