Negative data cost AbbVie billions of dollars in market value and convinced analysts Bristol Myers had placed a better bet in buying Karuna Therapeutics.

The Chicago-based firm earlier announced that its two Phase II EMPOWER trials investigating emraclidine as a once-daily, oral monotherapy treatment for adults with schizophrenia who are experiencing an acute exacerbation of psychotic symptoms, did not meet their primary endpoint.

Shares in AbbVie slumped Monday after the company disclosed its psychiatric medicine emraclidine didn’t best placebo in two Phase 2 trials.

AbbVie Inc.’s disappointing trial results for its new schizophrenia drug bode well for rival Bristol Myers Squibb Co., analysts said. On Monday AbbVie ABBV said that its Phase 2 trial investigating emraclidine as a once-daily oral monotherapy treatment for adults with schizophrenia did not meet the primary endpoint of showing a “statistically significant” improvement when compared with a placebo group.

Key Takeaways Shares of AbbVie plummeted Monday after the company said its schizophrenia drug Emraclidine missed key goals in a pair of trials.Abbvie said the trials did not show a statistically significant improvement in symptoms compared with the placebo group at week 6.

The failure of emraclidine, which AbbVie obtained after acquiring Cerevel, may present a considerable advantage for rival BMS.

AbbVie’s ABBV mid-stage studies of emraclidine for schizophrenia failed to meet their primary endpoint. Shares of the company lost 12.6% on Monday in response to the disappointing news. However, Bristol Myers’ BMY stock was up 10.