Back on the ro-ro roller coaster

Markets are less mesmerized by worries of impending catastrophe than they were at the peak of the crisis, when assets would rise and fall together. But as Stacy Williams, head of FX quantitative strategy at HSBC, explains to Ralph Atkins, the FT's capital markets editor, Italy's inconclusive election may be the sort of event that causes fundamentals to be forgotten and starts another ro-ro ride.