After sliding close to 40% in value since February, shares of fashion kingpin Ralph Lauren (NYSE:RL) were in need of some good news, and this week they got it. The company reported its fiscal Q4 numbers at the start of Tuesday’s session, and right off the bat, they looked good. EPS for the quarter came in at $0.49, 20% higher than what analysts had been expecting, while revenue also beat and showed year-on-year growth of 18%. In terms of forward guidance, the company said that for Q1 they expect revenue growth will be in a range centered around 8% in constant currency compared to last year. Op…