https://www.quora.com/Is-stochastic-math-and-Brownian-motion-still-important-to-quantitative-hedge-funds-Is-it-all-about-AI-and-machine-learning-now/answer/Aaron-Brown-165 Is stochastic math and Brownian motion still important to quantitative hedge funds? Is it all about AI and machine learning now?Aaron Brown's answer: Stochastic calculus, which includes the study of Brownian motion, was import..