Among the stock activity stories for Thursday, Sept. 20, from AP Business News:
— Shares of "Kung Fu Panda" maker DreamWorks Animation SKG Inc. rose after an analyst raised his rating on the movie studio, saying a string of recent deals will benefit it in the beginning of next year.
— Shares of Green Mountain Coffee Roasters Inc., which pioneered the single-serve coffee market with its Keurig machines, fell after Starbucks rolled out its own brewer.
