The top 1% of earners make most of their money due to the stock market and related activity by design, because if you're a shareholder in Coca-Cola, you want a CEO who actually cares about making Coca-Cola profitable over the long term, rather than someone who would collect a pretty salary for a few years and then retire to a life of leisure. You do that with equity compensation, stock options that vest over time - and, since satisfaction with money is logarithmic, you're going to need a lot of them.
Now, the overall level of justice achieved by this current system (or lack thereof) is in fact a valid topic of discussion, though largely outside the scope of the post I make here. By contrast, this cherry-picked number you present INTELLECTUALLY DISHONEST.
I call on you to be ashamed of yourself. Unprincipled yellow journalism of this nature is bad enough in the wild, but HERE of all places we ought to value REAL information and understanding, not rhetoric and obfuscation. (Alternatively, please abandon Engineering and seek employment in the scummiest Marketing department you can find.)