Yahoo! Inc. gained the most in eight months as Chief Executive Officer Marissa Mayer used her first annual meeting with shareholders to outline progress in attracting users of mobile devices.
The shares rose 3.7 percent to $24.96 at the close in New York, the largest one-day increase since October 23. The shares have advanced 25 percent this year, compared with an 11 percent gain for the Standard & Poor’s 500 Index.
