A penthouse of the “supertall” Manhattan building dubbed the world’s skinniest skyscraper has hit the market at $110 million. The four-story home, or “quadplex,” spans floors 80 to 83 of the ...

For Tim Hsu, who sells modern lamps and ceiling lights mostly to American customers, US President Donald Trump’s historic tariff announcement has upended his carefully made plans. Last year, the ...