Key TakeawaysRoss Stores beat profit and sales forecasts and raised its guidance as the off-priced retailer reduced costs.CEO Barbara Rentler said the results came even as the company faced macroeconomic headwinds that squeezed its lower-income customers.Rentler noted Ross Stores would manage inventory and expenses "tightly" throughout the year. Shares of Ross Stores (ROST) surged over 8% in early trading Friday as the off-price apparel and home goods retailer posted better-than-anticipated results and rais ...