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Quanta Services stock: Mizuho cuts target to USD 684.00

Part of: Quanta Services' 2026 rally meets valuation concerns · See the full timeline

October 21, 2026 · Updated October 23, 2026 · Curated by 247ignite
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Top StoryQuanta Services stock: Mizuho cuts target to USD 684.00

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Mizuho has reduced its price target for Quanta Services from $741 to $684 as of October 7, 2026, representing a 7.69% decrease. This revision comes as your stock traded at $605.66 on October 21, up 1.62% from the prior close. Quanta’s market cap stands at $91.1 billion, with a P/E ratio of 69.33. The revised target remains above the current trading price but lags behind higher estimates from Cantor Fitzgerald ($862) and Truist ($945).

The adjustment follows a strong year for Quanta, marked by a 52-week high of $788.75 and a low of $404.51. Analysts appear divided on valuation, with Mizuho adopting a more conservative stance. Your Q3 earnings call will be closely watched for updates on backlog execution, profitability, and growth in key markets like renewable energy and data center infrastructure.

Why this matters to you: This revised target reflects market caution and raises the stakes for your Q3 earnings call. Highlighting progress on backlog execution and growth in high-demand sectors like AI-driven infrastructure will be critical to maintaining investor confidence.

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