Networking Top Dog Adtran Powers Up Amid The AI Megatrend | Investor's Business Daily BREAKING: Trump Mulls 'Winding Down' Iran War; Stocks Jump Late Adtran Holdings (ADTN) in late February reported a 900% jump in fourth quarter earnings on a 20% hike in revenue to $291.6 million. The market expected better and yawned. Investors have come around to the networking stock though, and Adtran stock surged 8.5% Wednesday. Thursday it rose another 1.6%, for a fourth higher close in a row. And it closed at its high ...