VENLO, The Netherlands, Dec. 14, 2009 (GLOBE NEWSWIRE) -- QIAGEN N.V. (Nasdaq:QGEN) (Frankfurt:QIA) today announced that its common shares will be included in the NASDAQ-100 Index effective as of the start of trading on December 21, 2009. The NASDAQ-100 Index comprises the top 100 non-financial securities listed on The NASDAQ Stock Market based on market capitalization. Launched in January 1985, the NASDAQ-100 Index includes companies across major industry groups.
