Oil adds to gains as worries over Omicron ease

SINGAPORE/MELBOURNE/BEIJING: Oil prices rose on Thursday, extending gains into a fourth session on positive comments from vaccine makers about the Omicron variant, even as some governments stepped up curbs to stop its rapid spread.

U.S. West Texas Intermediate (WTI) crude futures rose 52 cents, or 0.7%, to $72.88 a barrel at 0455 GMT, adding to a 0.4% gain in the previous session.