As global bonds sell off, stocks hover near all-time highs and investors grapple with geopolitical uncertainty, it may be a particularly good time for investors to consider rebalancing their portfolios, according to financial advisors.

“I feel like it’s one of the least sexy — but probably most useful — investment ideas around,” said Jude Boudreaux, a certified financial planner based in New Orleans and member of CNBC’s Financial Advisor Council.