US stocks gained on Tuesday, a day after the Dow Jones industrial average completed its best month since 1987.
The S&P 500 opened at a record high as vaccine progress continued to lift stocks battered the most by the coronavirus pandemic. Pfizer and BioNTech applied for regulatory approval for their vaccine in the European Union; if approved, the shot could begin to be distributed before the new year.
Separately, Moderna on Monday applied for emergency use authorization in the US for its vaccine.
