
U.S.-listed shares of lung therapy firm Verona Pharma VRNA.O I9SAy.F rise 20.3% to $104.47 premarket
Merck MRK.N is nearing a deal worth about $10 billion to buy UK-based Verona, companies say
Merck will pay $107 per American depository share for Verona
The reported purchase price will be at a premium of about 23% to Verona ADS' last close
*The Financial Times first reported the deal to acquire Verona earlier on Wednesday
Up to last close, stock up 87% YTD