Global Markets Rise Amid AI Bubble Concerns: Impact & Risk Analysis

On 2025-11-24, the Wall Street Journal published an article titled “Global Markets Rise Despite Concerns Over Potential AI Bubble” [6]. The report noted U.S. stock futures rose ahead of Thanksgiving following volatile trading the previous week, with international markets mostly higher—even as investors expressed concerns about overvaluation in the artificial intelligence (AI) sector.

U.S. markets showed mixed but positive performance on

• NASDAQ Composite (^IXIC):
  +1.73% gain, closing at 22,872.01 [0].
• S&P 500 (^GSPC):
  +1.03% gain, closing at 6,705.11 [0].
• Dow Jones Industrial Average (^DJI):
  +0.17% gain, closing at 46,448.28 [0].

Sector performance reflected rotation to defensive sectors:

• Top Performer:
  Energy (+1.76%) [1].
• Technology:
  +0.15% gain (underperforming broader market) [1].

The modest tech gain and mixed AI leader performance (MSFT down -0.21%, NVDA up +1.70%) suggest investor caution amid bubble concerns [2,3].

Notable Trend: NVIDIA’s volume (256.62M shares) was lower than previous day, indicating reduced buying interest [2].

• AI Leaders: NVDA, MSFT, GOOGL [2,3,4].

• Technology, Energy, Consumer Defensive [1].

• Semiconductor suppliers (Micron, Samsung) linked to NVIDIA’s VRAM issues [5].

1. AI stock valuation metrics to validate bubble concerns.
2. International market performance data.
3. NVIDIA’s VRAM supply constraint details [5].

• AI Bubble:
  Potential overvaluation may lead to volatility [6].
• Supply Chain:
  NVIDIA’s VRAM shortages raise demand fulfillment concerns [5].

1. AI sector earnings reports.
2. NVIDIA’s supply chain resolution [5].
3. Tech vs. defensive sector rotation trends.