(EMAILWIRE.COM, December 05, 2009 ) Dallas, TX - Yamana Gold Inc. (USA) (NYSE:AUY) plunged 5.09% to $12.86 on 28.82 million shares. The stock hit an intraday high and an intraday low of $13.32 and $12.52 respectively. In the last six months the stock went up over 13%. Yamana Gold Inc. is a Canada-based gold producer engaged in gold mining and related activities, including exploration, extraction, processing and reclamation. It has significant properties involved in gold production, gold development, exploration and land positions throughout the Americas, including Brazil, Argentina, Chile, Mexico and Central America.

Hecla Mining Company (NYSE:HL) fell 3.39% to $6.83 on 30.07 million shares. The stock hit an intraday high and an intraday low of $7 and $6.50 respectively. In the last six months the stock went up over 105%. Hecla Mining Company is a provider of precious and base metals to the United States economy and worldwide. The Company acquires, develops, produces, and markets silver, gold, lead and zinc.

E.I. du Pont de Nemours & Company (NYSE:DD) went down 7.15% to $32.34 on 25.65 million shares. The stock hit an intraday high and an intraday low of $34.50 and $32.02 respectively. In the last six months the stock went up over 12%. E. I. du Pont de Nemours and Company (DuPont) operates a range of products and services for markets, including agriculture and food, building and construction, electronics and communications, general industrial, and transportation.

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