How can the individual trader hope to succeed against programs trading thousands of times a second programmed by Ph.D’s? They can’t. Such quant trading increasingly dominates Wall Street now.
It’s inevitable that something outside their parameters will happen and they will all try to get out the door at the same time. They aren’t particularly smarter or better. Look at LTCM. They thought they were, weren’t, and nearly cratered the global financial system with their arrogance and stupidity.