Shares of Dell, Arista Networks, and other tech stocks have taken a hit in recent weeks amid worries about an AI bubble. Sheldon Cooper / SOPA Images / LightRocket / Getty Images Close Key Takeaways Is it time to start buying tech stocks again? JPMorgan says so, with analysts telling clients in a note Thursday—a day after Nvidia's (NVDA) blockbuster earnings hit markets—that it could be time to go "bargain hunting" among the shares of hardware and networking companies that have taken big hits in recent week ...