The new Costco coming to the Treasure Coast will be bigger than the one in Stuart. Here are five facts about Costco. Did any surprise you?

Years of notable Costco underperformance relative to the S&P resulted in returns in the years that followed: After 2002: 2003 delivered 6.12 pp outperformance. After 2009: 2010 showed 9.26 pp. After ...