Qiagen (QGEN) leads the list of top gainers so far today and is now at $20.26, up $0.66 (3.37%) on volume of 704,126 shares traded. Over the last 52 weeks the stock has ranged from a low of $16.82 in September to a high of $23.83 in November. Qiagen stock has been showing support around $19.15 and resistance in the $20.41 range. Te...(Click the story link or go to http://www.marketintelligencecenter.com for the full story)