"Glaxo shares have gained 21 percent in the past year on demand...

"Glaxo shares have gained 21 percent in the past year on demand for its Relenza flu treatment, the only other drug that's shown promise against bird flu. ``It's a multibillion-dollar market,'' said Bob Pooler, an analyst at Lombard Odier Darier Hentsch & Cie. in Zurich."

this is a paragraph from the link you posted. i don't understand how this impacts on a company the size of glaxo but the market does not seem to think it has much impact on a much smaller company in biota