Performance and stock price are not the same thing at all.

Quantitative models are way better than humans, countless people have suffered losses on this matter.

There is a very stubborn cognitive bias, almost everyone who just enters the market has it, which is to treat the stock price as a barometer of the company's performance, believing that good performance leads to a rising stock price, and poor performance leads to a falling stock price.

This linear thinking sounds reasonable, but in the real market, it's simply not the case.