GH Research PLC (NASDAQ:GHRS) and Definium Therapeutics Inc.

(NASDAQ:DFTX) stocks are trading higher in response to Eli Lilly and Co.

(NYSE:LLY) agreeing to acquire AtaiBeckley Inc.

(NASDAQ:ATAI) in a deal valued at up to $3.80 billion.

Bloomberg was the first to report the deal.