J.P. Morgan has made numerous splashes to promote its mobile offerings, including a television spot featuring a ping-pong playing Serena Williams. But the payoff is yet to come.
WSJ.com: US Business, Wall Street Journal: Business
Tue, 11/14/2017 - 10:20am
J.P. Morgan has made numerous splashes to promote its mobile offerings, including a television spot featuring a ping-pong playing Serena Williams. But the payoff is yet to come.