If you noticed the tracking showed it went into “Clearance delay - Import” on Thursday. Then it left to Memphis and had a re-entry on Friday with the same “Clearance delay - Import Goods are subject to regulatory review.” Of course not expecting much to happen over the weekend but they did have all Friday to sort this out.
As for AMD Batch 1/2/3, the delays have just started as shipping was only recent. But in the past there have been plenty of customers with the same delay ie Batch 1 Intel last year:
So what is the root cause of these delay? Incompetent Customs workers?