LONDON—The dollar rose against major rival currencies in holiday-thinned trading on Thursday, as investors remained cautiously optimistic about the economic consequences of a surge in cases of the Omicron coronavirus variant.
Reuters data shows global COVID-19 infections hit a record high over the past seven days but, comforted by data suggesting the virus may turn out to be milder than in previous waves, many governments have resisted imposing widespread new lockdowns.
