Latvala's win came at the end of a topsy-turvy three days which often saw tactical driving employed at the expense of flat-out pace, particularly over the opening leg.
However, O'Gara kicked Ireland into the lead after 10 minutes and the fly-half's flat pass to a charging Andrew Trimble six minutes later helped set up the game's opening try - although it looked a shade forward.
Shares of RBS were little changed in London, virtually flat, and NYSE-listed American depositary receipts were down 0.3% shortly after the opening bell.
Eight small boats exploring stretches of the Hudson opening to canoeists in the central Adirondacks all made it through seven moderate rapids interspersed with long flat-water stretches on a 7.3-mile trip through deep forests of evergreens and hardwoods.