Assured Guaranty, Knoll, MBIA, Melco Crown: U.S. Equity Movers

s Chief Executive Officer Andrew Cogan said the company is seeing ���positive momentum��� in the marketplace this year. Mattel Inc. (MAT US) climbed 4.7 percent, the biggest advance in the Standard & Poor���s 500 Index, to $26.94. The maker of Barbie...