Adtran Holdings Inc. (NASDAQ:ADTN) is one of the best tech stocks under $10 to invest in. On September 18, B. Riley Securities analyst Dave Kang initiated coverage of the stock with a Buy rating and a$16 price target. He based his Buy rating on Adtran’s leadership in broadband network equipment and likes the company’s strength, as it serves a wide range of customers, including service providers, utilities, and local governments. Adtran (ADTN) Gains from Broadband Recovery and European Demand, Says B. Ril ...