"Twenty to thirty percent of the world has a PFO. You'll never know it," said Dr. Khaled Khalaf.

Though its often harmless, the condition called PFO can be life-threatening. Learn about patent foramen ovale.

I rate PFO a buy due to its attractive discount to NAV and a compelling 6.6% dividend yield for income-focused investors. PFO's performance is highly sensitive to interest rates; future rate cuts ...

Past performance is not indicative of future performance. An investor should consider the fund’s investment objective, risks, charges and expenses carefully before investing. To the extent any portion ...