US: Wall St inches higher at open after encouraging vaccine update

[NEW YORK] Wall Street's main indexes opened higher on Wednesday after Pfizer and BioNTech said a three-shot course of their Covid-19 vaccine was shown to have a neutralising effect against the new Omicron coronavirus variant in a laboratory test.

The Dow Jones Industrial Average rose 2.58 points or 0.01 per cent at the open to 35,716.85.

The S&P 500 opened higher by 4.11 points or 0.09 per cent at 4,690.86, while the Nasdaq Composite gained 3.73 points or 0.02 per cent to 15,690.65 at the opening bell.

REUTERS