Costco Wholesale Corp. (NASDAQ:COST) surged into the elite tier of Benzinga Edge's Stock Rankings this week, with its quality score jumping from 86.58 to 94.90 week-over-week.Check out COST’s stock price here.Earnings Beat Fuels Quality ScoreThis move places the retailer in the top 10th percentile of stocks for fundamental strength, following a fiscal first-quarter report where it beat both earnings and revenue estimates.The sharp rise in Costco’s quality ranking—which evaluates a company’s “operational eff ...