Among the stock activity stories for Wednesday, March 10, from AP Financial News:

_ Shares of InterMune Inc. rose at a blistering pace a day after a federal advisory panel voted in favor of approval for its experimental lung disease treatment.

_ Shares of J. Crew Group Inc. slipped as an analyst cut her rating on the clothing retailer, saying the company's stock price seems to discount much of its good news.

_ Shares of Collective Brands Inc. fell after the parent of footwear chain Payless ShoeSource received a downgrade from an analyst who said the stock was fairly valued.

_ Shares of Micron Technology climbed after at least two analysts reiterated their upbeat outlooks for the chip maker, saying demand and pricing are working in its favor.

_ Shares of Navistar International fell a day after the truck and engine maker reported a sharply lower fiscal first-quarter profit, missing Wall Street targets.

_ Shares of CardioNet Inc. rose after an analyst upgraded the stock, saying commercial health insurers are paying CardioNet more money than Medicare.