Among the stock activity stories for Monday, Feb. 25, from AP Business News:
— Shares of Mead Johnson Nutrition Co. fell after the maker of infant formula disclosed that a new regulation in Hong Kong could affect the company's sales there as well as in mainland China.
— A Janney Capital Markets analyst downgraded shares of The Children's Place Retail Stores Inc., citing heightened competition among retailers of children's clothing and accessories, as well as financial pressures on low-income shoppers. The company's shares fell.
