SALT LAKE CITY — If you're worrying about dark clouds lurking over the stock market — inflation, the price of oil, the domination of big tech — and are unsure what to do, you might consider this advice: Invest like a woman. In a 10-year period, women, in a 2021 study by Fidelity, earned .4 percent higher returns than men. That's not insignificant when you consider a million dollars invested for 25 years at 7.4% earns about a half-million dollars more than the same amount invested at 7%.