Fuel Tech, Inc. (FTEK:NASDAQ) closed at $1.40 on October 16, 2026, down 1.41% on the day. The stock trades 56.3% below its 52-week high of $3.20 and 19.7% above its 52-week low of $1.17. Over the past year, it lost 53.3%. Fuel Tech, Inc. is part of the Capital Goods sector (Pollution Control Equipment).
| 5D | 1M | 3M | 6M | 1Y |
|---|---|---|---|---|
| -15.15% | -21.35% | -5.41% | +2.19% | -53.33% |
In 252 trading sessions since October 16, 2025, FTEK closed higher on 94 days (37%). Its best day was June 22, 2026 (+29.22%) and its worst was May 6, 2026 (-13.21%). The stock moved 10% or more in a single session 9 times.
Fuel Tech, Inc. provides boiler optimization, efficiency improvement, and air pollution reduction and control solutions to utility and industrial customers worldwide. It operates through Air Pollution Control Technology and FUEL CHEM Technology segments. The Air Pollution Control Technology segment reduces nitrogen oxide (NOx) emissions in flue gas from boilers, incinerators, furnaces, and other stationary combustion sources by low and ultra-low NOx burners; over-fire air systems; NOxOUT and HERT selective non-catalytic reduction systems; advanced selective catalytic reduction (SCR) systems; NOxOUT CASCADE and NOxOUT-SCR processes; ULTRA technology; ammonia injection grid and graduated straightening grid systems; and flue gas conditioning systems. The FUEL CHEM Technology segment improves the efficiency, reliability, fuel flexibility, and environmental status of combustion units by controlling slagging, fouling, corrosion, opacity, and acid plume, as well as the formation of sulfur trioxide, ammonium bisulfate, particulate matter (PM2.5), sulfur dioxide, and carbon dioxide through the addition of chemicals into the furnace using TIFI targeted in-furnace injection technology. This s...
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