| Thursday, June 28, 2012, file photo, specialist Edward Zelles works on the floor of the New York Stock Exchange. Wall Street appeared headed for gains Friday June 29, 2012.Photo: Richard Drew/ APFILE - In this Thursday, June 28, 2012 file photo, traders work on the floor of the New York Stock Exchange. U.S. stocks are up at midday, Friday, June 29, 2012, after European leaders agreed to a set of p... |