Oil prices rose on Tuesday after the U.S. drug regulator granted full approval to the Pfizer Inc/BioNTech SE COVID-19 vaccine, stoking investor hopes that higher fuel demand would follow a potential rise in U.S. coronavirus vaccination rates. Brent crude oil futures were up 46 cents, or 0.7%, to $69.21 a barrel by 0648 GMT, while U.S. West Texas Intermediate (WTI) had gained 34 cents, or 0.5%, to $65.98. Both benchmarks jumped more than 5% on Monday, helped by a weaker U.S. dollar, after marking their biggest week of losses in more than nine months last week. The U.S. Food and Drug Administration (FDA), which last December […]