Global oil prices rose on Tuesday, supported by rising worldstock markets and the weaker dollar, but caution persisted over the ongoingUkraine crisis.New York’s West Texas Intermediate for delivery in June climbed 53 cents to $101.37a barrel.Brent North Sea crude for June advanced 97 cents to stand at $109.09 a barrel inLondon late afternoon deals.The weaker greenback makes dollar-priced crude cheaper for buyers using strongercurrencies. That tends to stimulate demand and lift oil price levels.