From Wikipedia: > Also in 1958, Rexall employee Joe Coulombe was asked to test the launch of Pronto Markets, a store brand to compete against 7-Eleven. After r

From Wikipedia: > Also in 1958, Rexall employee Joe Coulombe was asked to test the launch of Pronto Markets, a store brand to compete against 7-Eleven. After running six Pronto Markets in the Los Angeles area, Rexall asked Coulombe to close them down. Coulombe decided to buy them out instead, and eventually renamed the chain "Trader Joe's". (https://en.wikipedia.org/wiki/Rexall#Growth https://en.wikipedia.org/wiki/Rexall#Growth)