J&J's Janssen Pharmaceuticals will oppose Florida's use of its drug in a Thursday execution.
The last FDA approved treatment for advanced primary head and neck cancer was over 50 years ago.
Roche sees 'mid-single' digit sales growth in second half.
The collapse of the Sino-American session on tariffs and access translates into market action for investors, and inaction on improved trade.
Financial terms of the acquisition were not disclosed.