BUZZ-Tekmira Pharmaceuticals Corp: Offering priced at discount
** Canadian biopharmaceutical company's U.S.-listed stock down 2.5 pct at $19.98
** More than 3 million shares changed hands by 10:58 ET, nearly thrice their 50-day moving average
** Company's offering of 7.5 mln shares priced at $20.25 per share, a discount of 1.1 pct to Thursday's close of $20.49
** Says aggregate gross proceeds of $151.9 mln before deducting underwriting discounts and commissions and other offering expenses
** Up to Thursday's close, stock had fallen nearly 18 pct in the past 12 months on the Nasdaq
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