Robert Frank in a piece for the Wall Street Journal’s Wealth Report argues that China's wealthy, the biggest winners in China, are losing confidence and are beginning to spend less. Any pull back in spending by wealthy Chinese could spell disaster for the luxury goods industry, which is looking to China for growth as markets in Japan and Europe slow.

A man walks past a billboard outside a shopping mall housing luxury brands in Shanghai.

Chinese consumers, at present, account for more than 25 percent of global luxury sales, up from less than one percent 15 years ago, according to my firm’s estimates. The country is also poised to become Porsche’s biggest market according to the company.