Key TakeawaysAfter Costco said it would raise membership fees for the first time in seven years, several analysts raised their price targets for Costco stock, anticipating it could lead to higher profits. Costco said its "Gold Star" and business membership fees will rise $5 to$65, while executive membership fees will rise $10 to$130.The price increases will take effect in the U.S. and Canada starting in September, impacting about 52 million memberships. After Costco (COST) said Wednesday it plans to raise ...