increasing

Pascal Soriot, chief executive of AstraZeneca, said that drug prices in the U.S. are out of proportion compared with other countries and that the company is increasing its workforce and investment in America.

"Neural efficiency is as you might imagine, well connected by short paths, and the adolescent era is the only one in which this efficiency is increasing," said Mousley.

The deal is expected to see the UK increase the price threshold at which it deems new treatments to be too expensive by 25%, while increasing the overall amount the NHS spends on medicines.

"We cannot rule out the possibility of this number increasing further," Tsang said.

A variety of tailwinds appear poised to help stocks power ahead, potentially offsetting risks such as a potential Supreme Court ruling that could disrupt expectations regarding tariffs and increasing caution among retail investors.