Tesla’s sales have been sliding globally, profits have been shrinking, and its brand loyalty is traversing a rough patch.

Tesla stock has a wide range of future outcomes. Here is what might happen if things don't work out as investors hope.

Here’s where it gets interesting: Smart Summon and Basic Summon can move your Tesla Model X forward or backward using the app. You’re allowed to command your 5,000-pound SUV to roll through a parking ...