Wall St drops after two-day advance; jobs data mixed

By Caroline Valetkevitch NEW YORK (Reuters) - U.S. stocks fell in Friday afternoon trading after of a two-day rally as investors assessed a monthly payrolls report that gave mixed signals on the economy and energy stocks fell alongside another drop in crude prices. Nonfarm payrolls rose in December, topping Wall Street expectations while November's surprising gain was also revised higher. However, wages declined. ...