How the market blew it on Square By: MarketWatch November 19, 2015 at 11:54 AM EST The market disdained the debut of Square on the stock market, but mobile payments company has a great future, writes Tim Mullaney. Read More >> Related Stocks: Block Inc Etsy Inc First Data Corp Fitbit Inc Gopro Inc Cl A Lendingclub Corp Paypal Holdings Twitter, Inc.