How hard is Apple’s stock going to crash?

Another day, another analyst shouting BUY BUY BUY on Apple's stock, based on the upcoming iPhone 8 launch. This week, Credit Suisse analyst Kulbinder Garcha raised his estimate for the firm's stock price to $170, based on his belief that "pent-up demand" for a new iPhone will create a "supercycle" of upgrades, sending Apple's profits into the stratosphere and investors into a tizzy.
No-one's denying that Apple is going to make a dumpster-truck of money on the iPhone 8, and will continue bei