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CSTL forms Shooting Star Candlestick on August 20

SwingTradeBot Nightly Stock Scan: Castle Biosciences, Inc. (CSTL) — Technical Patterns & Alerts · Aug 20, 2026, 20:03 ET
CSTL closed up 1.89% on Thursday, August 20th, with volume running 0.8× below average. Multiple bearish signals emerged — Shooting Star and Shooting Star Candlestick — suggesting potential weakness ahead. Key support levels exist at 32.23, 31.52 & 30.64, with resistance at 33.82, 34.7 & 35.41.

Current SwingTradeBot Technical Rating of CSTL: B

Traders are watching CSTL for a reason. See the full signal list.

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Castle Biosciences, Inc. (CSTL)