troducing the ishares core, builng blocks for the heart of your portfolio.out of 10 large professional investors choose ishares for their etfs. ishares by blackrock. call 1-800-ishares for a prospectus which includes investment objectives, risks, charges and expenses. read and consider it carefully before investing. investment objectives, risks, charges and expenses. risk includes possible loss of principal. ♪ seminole melissa: it is "spare change" time. mercedes colwin and adam shapiro. mayor bloomberg is at it again. now he wants to ban styrofoam. have you heard about this? he said it in the state of city speech. the new plan will hit small businesses hard. hello, since a styrofoam replacement can cost two to five times as much as the original container do you think this will actually happen? >> in new york city, i think it will happen. they have done it in other places the problem, we could have a discussion one day whether it is worth it or not, someone very wealthy or upper middle class can afford to do something like this. people who, this will hit a l