Verastem opened 70% down on Friday: what happened?

Verastem Inc (NASDAQ: VSTM) opened nearly 70% down this morning even though the pharmaceutical firm reported positive interim data for its combination therapy as a treatment of pancreatic cancer.  Here’s what is hitting $VSTM today The oncology company commenced a regulatory submission aimed at U.S. approval for avutometinib and defactinib as well on Friday.  But […]