I don't know. They're casting a pretty wide net in their definition of "financial worker." Basically if you helped run a business, or worked at a bank, they were willing to count your death.

Without knowing the baseline population they're willing to consider in assembling their count, it's hard to say, but this might very easily be explained as a stochastic process that happens to be hitting a peak. It might even be the case that this sort of death rate happens all the time among the vast pool of "financial workers," but the Financial Post just happened to notice it this week.