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Global Selloff Deepens as Nvidia Jitters Test the AI Trade

Global markets tumbled on November 18 amid broad risk aversion, as U.S., European, and Asian indexes suffered notable losses driven by AI valuation worries and anticipation of Nvidia's earnings. Safe-haven assets firmed, oil diverged, and Bitcoin remained volatile, underscoring fragile market breadth and heightened sensitivity to tech sector swings.

Market Context: Broad Risk-Off Sentiment

Global markets retreated on November 18, underscoring a broad risk-off mood. The downturn gathered pace into the U.S. close, pressuring megacaps and cyclicals alike, according to available reports.

In the U.S., major benchmarks extended a losing run. Notably, it marked a fourth straight decline for the S&P 500, Dow, and Nasdaq. Reuters summarized the move, “Indexes: Dow down 1.1%, S&P 500 down 0.8%, Nasdaq down 1.2%”[1].

Meanwhile, selling spilled across regions. European and Asian equities joined the slide as investors trimmed risk and reassessed growth and policy assumptions. Consequently, global breadth weakened further.

Key Developments: Major Index Declines Across Regions

In the U.S., the S&P 500 dropped about 0.83%, the Dow fell roughly 1.07%, and the Nasdaq lost about 1.21%. This extended the market’s four-session skid and reinforced a defensive tone[2].

Across Europe, losses were widespread. The FTSE 100 closed down 1.3% in its worst day since April 9 and its fourth consecutive decline, Reuters reported. The pan-European STOXX 600 fell about 1.72% as sellers dominated the tape[3].

In Asia, declines accelerated. Japan’s Nikkei tumbled 3.22% to 48,702.98, with Reuters noting, “Japan’s Nikkei fell 1,620.93 points, or 3.22%, to 48,702.98.” Elsewhere, MSCI Asia ex-Japan shed around 1.9%, and South Korea was also down near 3%[4].

Drivers: AI Valuation Concerns and Nvidia Earnings

Market participants pointed to the same culprits, stretched AI valuations and a pivotal Nvidia earnings test. As nerves grew, Nvidia’s shares slipped about 2.8% on the day, according to Reuters and Bloomberg. AP News added that “worries keep dogging Nvidia … that their prices shot too high.”

Moreover, the selloff remained concentrated in the world’s largest technology names. That concentration risk left indices sensitive to single-stock catalysts. Therefore, the setup into the Nvidia print carried outsized weight for broader sentiment[5].

Additionally, technicals offered little relief. Both the S&P 500 and Nasdaq had recently slipped below their 50-day moving averages, amplifying caution at the margin. Consequently, dip-buying stayed tentative into the close[6].

Asset Moves: Safe-Haven Flows and Commodities

As equities fell, investors shifted toward havens. The 10-year U.S. Treasury yield eased to about 4.119%, while the dollar was steady, according to Reuters. Spot gold firmed, rising roughly 0.64% to $4,070.25 an ounce.

Energy markets diverged from equities. U.S. crude gained 1.39% to settle at $60.74, while Brent settled at $64.89, Reuters reported. However, industrial metals were softer, with copper easing alongside the broader risk pullback[7].

Therefore, the cross-asset message skewed cautious. Bonds and gold signaled safety demand, even as oil’s modest rise hinted at supply dynamics and positioning. Meanwhile, weaker copper reflected growth concerns.

Notable Exception: Small Caps Outperform

Despite the slump, small caps bucked the trend. The Russell 2000 rose between about 0.3% and 0.6% on the day, depending on the intraday snapshot[7].

This divergence offered a rare bright spot. Yet it likely reflected rotation and positioning rather than a durable shift in risk tolerance. For now, breadth remained fragile.

Cryptocurrency Action: Bitcoin’s Volatility

Crypto underscored the day’s volatility. Bitcoin briefly dipped below $90,000 before snapping back. As Reuters put it, “Bitcoin reversed course, gaining 0.99% to $92,715.39 after dipping below $90,000.”

Still, the rebound did not change the narrative. Risk appetite was inconsistent, and crypto remained a high-beta proxy for sentiment. Accordingly, intraday swings stayed elevated[4].

Implications and What’s Next

The day’s action reinforced a central theme, tech leadership cuts both ways. When megacaps wobble, indices follow. Therefore, Nvidia’s earnings carry implications well beyond one ticker[5].

Valuation is the second pressure point. After a powerful AI-led run, investors appear reluctant to chase into uncertain guidance. Consequently, any soft spot in orders, margins, or capex signals could compound pressure.

Policy expectations added another layer. In Europe and the U.S., hopes for near-term rate cuts have faded at the edges, Reuters reported. That backdrop keeps discount rates elevated and risk premia tight, which is rarely friendly to high-duration growth.

Moreover, technical context bears watching. The recent break of key moving averages has weakened momentum. Additionally, volatility may persist as traders recalibrate exposures into year-end.

Finally, cross-asset signals remain mixed. Safe-haven demand is firm, oil’s resilience hints at idiosyncratic drivers, and copper’s softness flags growth caution. Until earnings and policy visibility improve, swings may remain wide.

In short, November 18 showed how concentrated leadership can amplify downside. The tape is now more sensitive to AI headlines and single-stock catalysts. For the moment, risk management outranks risk appetite.


Sources

  1. Reuters — Trading Day: Stock selloff snowballs, Japan wobbles
  2. Reuters — S&P 500 ends down for a 4th day as valuation worries weigh, Home Depot drops
  3. Reuters — London stocks sink in global rout on Fed rate cut, valuation jitters
  4. Reuters — US stocks lose ground, gold resumes its climb as risk appetite sours
  5. Bloomberg — Stocks Fall Before Nvidia’s High-Stakes AI Results: Markets Wrap
  6. AP News — Stocks drop after another jarring day as worries about too-high prices keep dogging Nvidia, bitcoin
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