World’s Richest Man Likes the View Atop Refurbished Tiffany

As a young tycoon living in New York in the 1980s, Bernard Arnault quickly realized some of the most valuable real estate was located on the corner of Fifth Avenue and 57th Street. When he bought the building that houses the Louis Vuitton flagship store on the northeast corner, he got a close-up view of Tiffany & Co. across the street to the south.

“We said, maybe at one point we’ll have more than one corner,” Mr. Arnault said in a rare interview from the glass-enclosed top floor of Tiffany’s newly renovated store, where he could gaze out and survey his domain. He now has three.