"I think it makes sense to do," said Dimon on Wednesday. "I think some banks will start retaining far too much excess capital at one point next year." -- Written by Lauren Tara LaCapra in New York. >To contact the writer of this article, click here: Lauren Tara LaCapra. >To follow the writer on Twitter, go to http://twitter.com/laurenlacapra. >To submit a news tip, send an email to: firstname.lastname@example.org.