Ironwood Pharmaceuticals (IRWD +7.7%) is up on more than double normal volume, stoked by an $11.4M block trade at $10 per share earlier in the session.
Yesterday, activist investor Sarissa Capital Management disclosed a 6.1% stake in the biotech.
Tomorrow, May 18, Phase 2b data on GERD candidate IW-3718 will presented at Digestive Disease Week in San Diego. New data on LINZESS (linaclotide) will be presented as well.
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