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Former defense secretary Donald Rumsfeld said there are known knowns—things people know—known unknowns—things people know they don’t know—and unknown unknowns—things people don’t realize they don’t know. That pretty much sums up autonomous driving technology these days.It isn’t clear how long it will take the auto industry to deliver truly self-driving cars. Thursday evening, however, investors will get an education about what’s state of the art when Tesla hosts its artificial intelligence day.

Shares of $Apple$rose 1.8% to a record closing high of $144.57 on Wednesday after a respected Wall Street investment bank issued bullish commentary on the popular tech stock.JPMorgan analyst Samik Chatterjee reiterated his overweight rating on Apple's stock yesterday and boosted his share price forecast from $165 to $170. His new estimate implies potential gains to investors of roughly 18% in the coming year.Chatterjee noted that Apple underperformed theS&P 500and$Nasdaq$in the first half of 202