It’s never been easier to trade stocks; just a few taps or clicks will do the trick. But most of the platforms that millions of market participants rely on to move their money suffer from cybersecurity shortcomings, new research warns. As if stocks weren’t risky enough already. A new report from Alejandro Hernández, a security consultant at IOActive, found that nearly all of the 40 major online trading platforms he investigated had at least some form of vulnerability.