3. In 2011, Sirius XM’s stock was added to the NASDAQ 100 stock market index (NASDAQ’s index of its 100 largest nonfinancial companies). One intriguing outcome is that it forces mutual fund companies that offer index funds (see page 448 ) that mimic this particular market index to buy Sirius XM stock. What effect might this change have on the potential for an outsider—welcome or not—to take control of the company?