AstraZeneca and Bristol Myers Squibb do not have any ongoing discussions about a potential deal,

AstraZeneca in talks to merge with Bristol Myers Squibb, creating $400B pharma giant, while talks ongoing for months, antitrust scrutiny is expected.

AstraZeneca & Bristol Myers Squibb in merger talks per Financial Times. AZ worth ~$265B, BMS ~$133B. Deal may involve stock & cash; talks may not lead to deal.