 "Wall Street")
The S&P 500 edged higher on Monday as promising data across a range of Covid-19 vaccine candidates and hopes of more stimulus helped overcome fears around the extent of the economic damage from a surge in domestic infections.
US drugmaker Pfizer and German biotech firm BioNTech reported additional data from their experimental Covid-19 vaccine that showed it was safe and induced an immune response in patients. Pfizer's shares rose 1.5%.
In the United Kingdom, data from AstraZeneca's experimental Covid-19 vaccine also showed it produced an immune response in early-stage clinical trials in healthy volunteers.
"Even though we had some good
