Shares in Nintendo soared 14% in Tokyo on Friday after China opened the door to sales of the company's popular Switch console.
Treasury Secretary Steven Mnuchin isn't buying the argument that the Federal Reserve triggered Wednesday's steep fall in U.S. stocks.
The best performing retail stock this year is no surprise: Amazon is up 54% so far in 2018.
It's never a bad year to be rich, exactly. But 2017 turned out to be a particularly good one.