Six years ago, President Trump bragged that he sold his Apple stock. If he had held onto it, his money would have more than quadrupled. (AAPL)

· Apple reported quarterly earnings that blew away Wall Street expectations on Tuesday.
· Six years ago to the day, a pre-presidential Donald Trump said on Twitter that he sold his Apple shares, complaining about the fact that the company at the time didn't sell an iPhone with a smaller screen.
· Assuming Apple's...