Square valued at $6b after raising $150m, led by Singapore Govt

Jack Dorsey (L), CEO of Square and CEO of Twitter, Jim McKelvey co-founder of Square (2nd R) and NYSE President Tom Farley (R) watch as Mac Riley rings a ceremonial opening bell on the floor of the New York Stock Exchange for the IPO of Square Inc., in New York November 19, 2015. REUTERS/Lucas Jackson