March 8, 2005 Biotech stocks sold off a small amount in a quiet session Tuesday, with trading limited to a very tight range. The index had been positive for most of the day, but it moved into negative territory during the last hour of trading. The Centient Biotech 200 lost 3.40 points to 3196.53, a drop of just .11%. Among biotech stocks making news, Adolar moved up after positive Phase IIb data on Entereg, Elan continued to recover from its devastating Tysabri set-back, Renovis will abandon a shingles indication, Millennium made $40 million in milestones, the angina drug from CorAutus produced good data, CoTherix had good news about its recently approved drug, and Dandreon got a much-needed upgrade. We tell the stories behind the headlines...