The First Rule of Investing: Don't Lose Money That's also the second rule of investing, says Blackstone's Stephen Schwartzman, because if you don't lose money, you will significantly outperform the market. Related Articles Market Intelligence CFOs and COOs Show Less Favor in Emerging Markets Georgina Tzanetos A U.S. Pension Stopped Investing in Tesla. The Controller Expects More to Follow. James Comtois Sponsored Content II Communities on iShares Russell ETFs Sponsored by BlackRock