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benzinga Corporate Catalyst Impact 85/100 ● positive

Amylyx Pharmaceuticals Stock Soars After the Close: Here's Why

Aug 17, 2026, 8:53 PM UTC · Primary ticker $AMLX

Amylyx Pharmaceuticals announced it will release top-line results for its Phase 3 LUCIDITY clinical trial of avexitide this week, specifically on Tuesday morning. This news has led to a significant surge in the company's stock price in after-hours trading, as investors anticipate the outcome of this crucial trial for its investigational drug for post-bariatric hypoglycemia.

Amylyx Pharmaceuticals (AMLX) shares experienced a substantial after-hours rally following the announcement of the upcoming top-line results for its Phase 3 LUCIDITY clinical trial. This is a critical event for the company, as the trial's success or failure will directly impact the future of avexitide, an investigational drug with FDA Breakthrough Therapy Designation. Positive results could lead to a significant long-term upside for AMLX, with a potential commercial launch in 2027, while negative results would likely cause a sharp decline. Traders are reacting to the imminent catalyst, positioning themselves ahead of the Tuesday morning announcement, which presents both a high-reward and high-risk scenario.

$AMLX positive Announced Phase 3 trial results readout date
Source: benzinga
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Not financial advice. AI-generated analysis for informational purposes only.