Revlon posted a quarterly profit, its first profitable quarter in six years. Net profit was $46 million compared with a loss of $12.6 million a year earlier. The company said net sales in the fourth quarter rose 3%, to $378 million, including a contribution of approximately 2% from favorable foreign exchange rates. Growth was driven mainly by North America, attributed mostly to the arrival of new products at retail outlets, although it was offset by factors including higher discounts....