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FSTR forms Slingshot Bearish on August 21

L.B. Foster Company (FSTR) — Daily Technical Analysis & Swing Trading Signals · Aug 21, 2026, 20:12 ET
FSTR closed up 0.34% on Friday, August 21st, with volume running 0.6× below average. Multiple bearish signals emerged — Slingshot Bearish and Lower Bollinger Band Walk — suggesting potential weakness ahead. Key support levels exist at 36.94, 35.79 & 35.13, with resistance at 38.74, 39.4 & 40.54. Slow Stochastic readings suggest the stock is currently oversold.

Current SwingTradeBot Technical Rating of FSTR: D

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L.B. Foster Company (FSTR)