Sure, there was the attempted assassination of Reagan and the fears for Obama as the first black President, but in those cases it was a lone nutter rather than a conspiracy.
How long can Trump crash the market before an angry billionaire decides to take him out? The remaining Koch brother is already pouring money into legal challenges against Trump…
Well, considering he was an inch or two away from already being in this category, I’d say higher than otherwise. You can also say that since this DID happen, he will have increased security making it less likely. So, I guess I’m not too sure.