$Adtran (ADTN.US)$Revenue fluctuations have shrunk slightly ...

$Adtran(ADTN.US)$Revenue fluctuations have shrunk slightly over the past 5 years, while operating profit has continued to lose in the past 4 years. Net profit was once slightly affected by income tax rebates in 2020. Revenue increased 63% in the first three quarters of 2022, while operating profit and net profit losses expanded. Currently, there is no investment value in sight.