Meanwhile, Nvidia announced that it bought $2 billion of Synopsys stock as part of a partnership to accelerate computing and AI engineering work. Nvidia CEO Jensen Huang called the agreement a "huge deal" on CNBC's "Squawk on the Street" yesterday. Synopsys shares surged nearly 5% in Monday's session, while Nvidia added more than 1%.

Costco's "holiday savings" event is already underway. See what the membership-only warehouse club has in store for Black Friday.

So far, my colleagues and I have stumbled upon eight Black Friday deals at Amazon and Best Buy that have gotten better now that both retailers are in Cyber Monday mode. Most of the price discrepancies are pretty significant,