Jim Simons Stood By One Quant Investing Rule That Helped Him Earn 66% Returns For 30 Years, 'You Just Stick With It, And It Worked'

Jim Simons Stood By One Quant Investing Rule That Helped Him Earn 66% Returns For 30 Years, 'You Just Stick With It, And It Worked'

Jim Simons, a mathematician turned investor with remarkable success, once mentioned to a group of students that the only rule he’s stood by while investing is not letting gut instinct interfere with his math. What Happened: In a newly resurfaced 2014 talk at San Francisco State University, the Renaissance Technologies founder explained the hedge fund's cardinal rule: "We never override the computer. No one ever comes in any day and says the comp…