Female CEOs are scarce, but history shows they can produce huge returns By: CNBC.com News March 09, 2019 at 14:00 PM EST Less than 5 percent of the CEOs in the S&P 500 are women, but records show that most of them beat the index during their tenures. Read More >> Related Stocks: Adv Micro Devices Alliant Energy Corp American Water Works Anthem Inc Arista Networks Inc General Motors Genl Dynamics International Business Machines Kohl's Corp Lockheed Martin Northrop Grumman Progressive Corp,Ohio Ross Stores Ulta Beauty Inc Ventas Inc