Summit Shares Surge on $2 Billion AstraZeneca Investment — WSJ

By Xavier MartinezShares of Miami-based Summit Therapeutics surged about 17% in after-hours trading Monday after AstraZeneca announced it would invest $2 billion in the cancer-drug developer. AstraZeneca's stake would equal around 12% of the company.The deal centers on ivonescimab, Summit's experim…