Most Profitable CEOs Get Smallest Gains in S&P 500 (Update3)

percent in U.S. trading this year through Dec. 24. Stock symbols are in parentheses after company names. Abbott Laboratories (ABT US) Aflac (AFL US) Amgen (AMGN US) Apollo Group (APOL US) Automatic Data Processing (ADP US) Baxter International (BAX US)...