Welcome back. Some Apple news today. The company expanding its relationship with Broadcom to the tune of $30 billion.Mackenzie Seagalos has more in Tech Check. Mackenzie, Kelly, this is really about Apple trying to lock down more of the chip supply chain at home with this expanded Broadcom partnership now its largest US manufacturing commitment to date. Broadcom shares 6% higher on the day, their sharpest rally since February.Now, as part of the deal, Broadcom will produce more than 15 billion US-made chips ...