Shares of Charles Schwab tumble after the brokerage announces that it’s eliminating online trading commissions for U.S. stocks, ETFs, and options. And shares of McCormick rise after the spice maker delivers some spicy earnings. Analysts Andy Cross and Emily Flippen talk about what those stories means for investors and dip into the Fool Mailbag to talk about the future of U.S. exchange-listed Chinese companies.