(Reuters) -Nordstrom Inc raised its annual profit and revenue forecasts on Tuesday as the upscale retailer counts on demand from affluent consumers to help it overcome decades-high inflation, sending its shares up 11% in extended trading. Net sales across Nordstrom’s banner stores exceeded pre-pandemic levels in the first quarter with a 23.5% jump after Americans returning to offices and social events snapped up designer apparel and footwear. “At this point, we have not seen inflationary cost pressures adversely impact customer spending which we believe is due to the higher income profile and …