Trump's greatness in stock picking is a puzzler

Breakingviews
Robert Cyran
WATCH LIVE
Donald Trump, presumptive Republican presidential nominee
Matthew Staver | Bloomberg | Getty Images

Donald Trump wants to make America great again, but it seems he's not so great at managing his investment portfolio. Many of the Republican presidential front-runner's disclosed stock and bond holdings have values below $1,001 each, yet seem to produce outsized income. It reflects the fuzzy math found in many of his policy proposals.