In the second quarter, sales of ultra-luxury homes priced at $10 million or more surged in New York, Miami and Palm Beach, despite declines in other global markets, according to a Knight Frank report.

The idea of a luxury is different for everyone. While some may view it as extravagant goods and high-end services, others see it as occasional splurges, unique experiences and good health. But in real ...

High-end homes continue to outperform the broader market nationally, with tighter supply and all-cash sales helping demand ...