Schwab's CEO, Walter Bettinger, said all the things that registered investment advisors would want to hear from their asset custodian chief on Thursday during an earnings call with analysts. Obviously, Schwab shareholders did not see it the same way: Shares of the San Francisco broker plunged by 7.7 percent to $13.59 by the close of trading Friday (near a three-year low after hitting $28 in 2008) in the wake of the company's Thursday teleconference with analysts.