$Fuel Tech (FTEK.US)$Revenue fluctuations have declined over...

$Fuel Tech(FTEK.US)$Revenue fluctuations have declined over the past 5 years, and operating profit losses have narrowed amid fluctuations. Net profit loss is 3 years, and break-even is 2 years. Revenue increased 11.9% in the first 3 quarters of 2022, and operating profit and net profit have gone into small losses again. Currently, there is no investment value in sight.