A patent foramen ovale (PFO) is a hole in the heart that doesn’t close as expected after birth. Before a baby is born, they have a hole between the left and right sides of their heart. This hole, ...

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 ...

Both traditional and less conventional risk factors contribute strongly to the risk of cryptogenic ischemic stroke in adults younger than 50 years, but their relative importance varies by the presence ...

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 ...