Markets took a step back in premarket trading Tuesday, something Kevin Green has his eyes on beyond the opening bell. However, tech names continue to catch a bid in a Wall Street rally that gets narrower. HP Enterprise (HPE) shares popped after earnings came in much stronger than anticipated, as did Marvell (MRVL) thanks to a nod from Nvidia (NVDA) CEO Jensen Huang. KG notes one Big Tech firm pulling back in Alphabet (GOOGL).