Canada's main stock index erased early gains to trade lower on Friday, mirroring the mood on Wall Street, as losses in pot producers eclipsed firmer energy stocks and gains in Bank of Montreal after it reported upbeat earnings.
Novavax Inc said on Friday it had started working on a version of its COVID-19 vaccine to target the variant detected in South Africa and would have the shot ready for testing and manufacturing in the next few weeks.
Greek Prime Minister Kyriakos Mitsotakis proposed on Wednesday that the EU's executive arm make having a booster shot against COVID-19 a condition for some Europeans to travel freely across the bloc, amid a resurgence in infections.
President Joe Biden said on Friday that the United States has secured millions of doses of Pfizer Inc's experimental antiviral pill for COVID-19 in case it turns out to be an effective treatment.