Key TakeawaysRH shares are jumping in premarket trading Friday after the luxury home furnishings retailer boosted its full-year outlook and swung to a profit in the third quarter.CEO Gary Friedman said gains came despite a weak housing market.RH lifted its sales growth forecast at both the low and high ends of its range. RH (RH) shares jumped premarket after the luxury home furnishings retailer boosted its full-year outlook and swung to a profit in the third quarter. The company is forecasting revenue grow ...