NEW YORK (AP) -- Among the stock activity stories for Wednesday, June 27, from The Associated Press:
— Shares of H&R Block Inc. climbed after analysts raised their earnings estimates for the company based on its fiscal fourth-quarter earnings report a day earlier.
— Shares of DreamWorks Animation SKG Inc. rose after an analyst upgraded his rating and price estimate for its stock due to the box office performance of "Madagascar 3: Europe's Most Wanted," which he said is DreamWorks' "key driver" for 2012 earnings.
— Shares of Westport Innovations Inc. surged after the natural gas engines maker announced a deal with General Motors Co., its second partnership with the automaker.
— Shares of Chipotle Mexican Grill Inc. fell after an ITG analyst noted that a measure of sales growth seems to be slowing.