(Reuters) - Peppa Pig-owner Entertainment One's shares rose more than 30% to a record high on Friday, surpassing the price agreed by the company's board with U.S. toy maker Hasbro Inc in a sign that investors see some chance of a counter offer.The boards of the two companies said on Thursday that they had agreed a price of roughly $4 billion (3.27 billion pounds) in cash for the deal, which gives Hasbro access to Entertainment One's lucrative shows aimed at infants and preschoolers.Under the..