The Dow Jones hit a new high on Thursday and didn’t give up much ground Friday morning. The Nasdaq fell solidly, testing the 21-day line as the AI-and-chip trade cooled in the wake of Broadcom (AVGO) and Ciena (CIEN) earnings. Hewlett Packard Enterprise (HPE) skyrocketed on its beat-and-raise report. Cybersecurity firms Palo Alto Networks (PANW), CrowdStrike (CRWD) and Rubrik (RBRK)…