Where Curiosity Meets the Right Information

Tuesday , 8 September 2026

Where Curiosity Meets the Right Information

Tuesday , 8 September 2026

DeepSeek influences AI Stock Selloff, Nvidia Suffers Record Market-Cap Loss

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DeepSeek influences AI Stock Selloff
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Global markets faced a seismic shift on Monday as investors fled tech stocks, rattled by the emergence of a low-cost Chinese AI model DeepSeek that threatens to disrupt industry leaders like Nvidia. The chipmaking giant saw its market value evaporate by a staggering $593 billion in a single day – the largest one-day loss in Wall Street history, reportedly.

DeepSeekโ€™s Disruption: A Game-Changer in AI

The upheaval followed the debut of DeepSeek, a Chinese startup that launched a groundbreaking AI assistant last week. Offering unparalleled cost-efficiency and data-light functionality, the assistant quickly eclipsed ChatGPT in downloads on Appleโ€™s App Store, sparking fears of a paradigm shift in AI dominance.

Nvidia and Nasdaq Take a Hit

Nvidia bore the brunt of investor panic, with shares plunging nearly 17% – a record one-day loss in market capitalization for any company. The tech-heavy Nasdaq index fell 3.1%, with other major players feeling the ripple effects:

  • Broadcom: Dropped 17.4%
  • Microsoft: Declined 2.1%
  • Alphabet: Lost 4.2%

The Philadelphia Semiconductor Index (SOX) also suffered, tumbling 9.2%, its steepest drop since March 2020. Among its biggest decliners was Marvell Technology, down 19.1%.

Global Shockwaves: From Asia to Europe

The selloff wasnโ€™t confined to U.S. markets. In Asia, Japanโ€™s SoftBank Group plunged 8.3%, while in Europe, Dutch chip equipment maker ASML slid 7%.

Read more:ย NVIDIA Reveals Advanced Robot Training Technology, Cutting-Edge Gaming Chips, And Strategic Deal With Toyota

The Rise and Risk of AI Hype

The AI boom has fueled massive capital inflows into equities over the past 18 months, driving valuations to record highs. Just last week, AI-related U.S. stocks rallied after former President Donald Trump announced a $500 billion AI infrastructure investment via a venture called Stargate.

However, the announcement wasnโ€™t enough to shield related stocks from Mondayโ€™s losses:

  • Oracle: Fell 13.8%
  • SoftBank: Down despite a $19 billion Stargate funding commitment

DeepSeek: A โ€œSputnik Momentโ€ for AI

DeepSeekโ€™s rise marks a pivotal moment in the AI race. The Hangzhou-based startup, led by Liang Wenfeng, co-founder of hedge fund High-Flyer, stunned the market with its cost-efficient models.

  • DeepSeek-V3: Trained on Nvidiaโ€™s lower-capability H800 chips for under $6 million
  • DeepSeek-R1: Up to 50 times cheaper to use than OpenAIโ€™s models

Silicon Valley executives lauded these advancements, which challenged perceptions of a U.S.-dominated AI market.

Investor Perspectives: Overreaction or Reality Check?

While some view the selloff as an overreaction, others see it as a wake-up call. Daniel Morgan, senior portfolio manager at Synovus Trust Company, highlighted that DeepSeek targets mobile and PC users, directly competing with ChatGPT, Meta, and Alphabetโ€™s Gemini, but not Nvidiaโ€™s core data center market.

Still, Nvidiaโ€™s stock closed at $118.42, down 11.8% year-to-date, despite having surged 171% in 2024 and 239% in 2023.

Beyond Nvidia: Ripple Effects Across Industries

The shockwave extended to data center infrastructure and power utilities:

  • Vertiv Holdings: Plunged 29.9%
  • Vistra: Fell 28.3%
  • Constellation Energy: Down 20.8%
  • NRG Energy: Declined 13.2%

Flight to Safety: Bonds and Currencies Surge

Amid the volatility, investors sought refuge in safe-haven assets. The U.S. Treasury 10-year yield fell to 4.53%, while the Japanese yen and Swiss franc strengthened against the dollar.

A New Chapter in AI Competition

As DeepSeek reshapes the AI landscape, the marketโ€™s reaction underscores the fragility of tech stock valuations in the face of innovation. Whether this marks a turning point or a temporary setback, the AI race has entered uncharted territory.

For more updates, be with Markedium.

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