The Flaherty & Crumrine Preferred and Income Opportunity Fund has underperformed CEF peers, delivering a negative return over ...

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

There’s a good chance you may be walking around with a hole in your heart. “It’s as common as having blue eyes or being left-handed,” said Dr. Phillip Horwitz, a cardiologist and the executive ...

Please provide your email address to receive an email when new articles are posted on . Supraventricular arrhythmias may be underestimated in patients who have received percutaneous patent foramen ...

Flaherty & Crumrine Preferred Income Opportunity Fund remains a buy, offering a 6.3% yield and trading at a 6.54% discount to NAV. PFO provides diversified exposure to preferred securities, with a ...