5 Stocks Investors Dumped on Monday, August 29, 2011

At the close of trading on Monday, August 29, 2011, the Dow (NYSE:DIA) finished up 254.7 points to 11,539, the NASDAQ (NASDAQ:QQQ) finished up 82.3 points to 2,562 and the S&P500 (NYSE:SPY) finished up 33.3 points to 1,210. Here were some of today’s biggest losers by price.

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Monsanto Company (NYSE:MON) was among the market losers in price, as its stock price fell by 90 cents (-1.3%) to $69.78. Monsanto Co. provides agricultural products, including seeds, biotechnology trait products, and herbicides, that provide farmers with solutions that improve productivity and reduce costs.

Stock Price Performance: From August 22, 2011, to August 26, 2011, the stock price had risen $5.40 (8.3%) from $65.28 to $70.68. The stock price saw one of its best stretches over the last year between December 15, 2010 and December 30, 2010 when shares rose for 11 straight trading days, rising 15.2% (+$9.09). It saw one of its worst periods between September 14, 2010 and September 23, 2010 when shares fell for eight straight trading days, falling 7.4% (-$4.19).

Yamana Gold Inc. (NYSE:AUY) was one of the price losers, as its shares closed at $15.74, down 25 cents (-1.6%) from the previous close of $15.99. Yamana Gold Inc. is a gold producer with significant gold production, gold development stage properties, exploration properties and land positions in Brazil, Chile, Argentina, Mexico and Colombia.

Stock Price Performance: From June 30, 2011, to August 26, 2011, the stock price had risen $4.36 (37.5%) from $11.63 to $15.99. The stock price saw one of its best stretches over the last year between November 26, 2010 and December 6, 2010 when shares rose for seven straight trading days, rising 12.7% (+$1.42). It saw one of its worst periods between June 21, 2011 and June 27, 2011 when shares fell for five straight trading days, falling 2.9% (-34 cents).

Shares of Vertex Pharmaceuticals Incorporated (NASDAQ:VRTX) closed at $43.95, down $1.30 (-2.9%) from the previous close of $45.26. Vertex Pharmaceuticals is engaged in the business of discovering, developing and commercializing small molecule drugs for the treatment of serious diseases.

Stock Price Performance: From June 2, 2011, to August 26, 2011, the stock price had fallen $9.24 (-17%) from $54.50 to $45.26. The stock price saw one of its best stretches over the last year between June 17, 2011 and June 29, 2011 when shares rose for nine straight trading days, rising 16.1% (+$7.26). It saw one of its worst periods between July 29, 2011 and August 8, 2011 when shares fell for seven straight trading days, falling 22.9% (-$11.86).

Allied Nevada Gold Corp (AMEX:ANV) was among the market losers in price, as its stock price fell by 67 cents (-1.6%) to $41.51.

Stock Price Performance: From June 2, 2011, to August 26, 2011, the stock price had risen $7.37 (21.2%) from $34.81 to $42.18. The stock price saw one of its best stretches over the last year between August 5, 2011 and August 15, 2011 when shares rose for seven straight trading days, rising 15.5% (+$5.47). It saw one of its worst periods between April 29, 2011 and May 6, 2011 when shares fell for six straight trading days, falling 20.2% (-$8.71).

UNIVERSAL DISPLAY CORPORATION (NASDAQ:PANL) was one of the price losers, as its shares closed at $51.22, down 49 cents (-0.9%) from the previous close of $51.71.

Stock Price Performance: From July 29, 2011, to August 26, 2011, the stock price had risen $21.80 (72.9%) from $29.91 to $51.71. The stock price saw one of its best stretches over the last year between January 28, 2011 and February 8, 2011 when shares rose for eight straight trading days, rising 12.7% (+$4.27). It saw one of its worst periods between June 3, 2011 and June 13, 2011 when shares fell for seven straight trading days, falling 16.2% (-$6.64).