Fed isn't going to raise rates again anytime soon. Mortgage rates are going to continue to trickle lower or remain flat, despite the Fed raising quarter point (as it has happened) OPEC is going to start to curb oil production. Fed/Bank is going to relax lending standards again so people with bad credit can borrow and spend again.
Young workers are going to start getting out of their parents' house once they have entry level jobs. They are going to spend their first paychecks buying a new iPhone or Android phone, and a fitbit, and other things that older people don't spend their hard earned paychecks on. Qualcomm's royalty will go back up, to offset a decline in a chipset business. The chipset business will get sold eventually to an asian company, and that will add a few bucks to the stock price.
QCT sell will be handled roughly the same way as when the handset group was sold to Kyocera in which people that belong to QCT will vest for an additional 2 years while working in the new company. And then the new company will gradually shift development work abroad and/or go under. But that will take years, which meanwhile folks can enjoy their rest and vesting of stock.
Sort of like what is happening with Broadcom now. It's not going to be a doomsday scenario. Perhaps one can argue a slow/controlled "winding down"