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Wednesday, October 21, 2026

At a glance: stocks gapping down premarket

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Wall Street sign, New York City, USA

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Here's a quick look at the stocks that are seeing gap-down moves before the bell on Wednesday.

U.S. stock index futures were higher on Wednesday, with Nasdaq futures leading the gains as SpaceX's better-than-expected third-quarter results boosted market sentiment.

Company

Move

Alpha Teknova Inc. (TKNO)

-30.4%

Intuitive Surgical Inc. (ISRG)

-7.8%

Telix Pharmaceuticals Ltd. (TLX)

-6.4%

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