Why Did Stocks Fall Amid the Tech Selloff as Democrats Swept Elections? Bloomberg Brief 11/05/2025

Transcript

5:00 IN NEW YORK CITY. I'M DANI BURGER WITH YOUR BLOOMBERG BRIEF. VONNIE QUINN ON ASSIGNMENT THIS WEEK. A GLOBAL CHIP SELLOFF, ERASING $5 BILLION IN VALUE OVER CONCERNS OF LOFTY VALUATIONS. IT WAS WINTER'S NIGHT FOR THE DEMOCRATS. THE PARTY SWEEPS MAJOR PARTY ELECTIONS WITH ZOHRAN MAMDANI TAKING THE MAYORAL VICTORY IN NEW YORK CITY. THE LE... Read More

Key Insights

• Technology valuations are facing greater scrutiny because investors had set exceptionally high expectations for companies associated with artificial intelligence. Even firms reporting profit and sales above forecasts could disappoint when their outlooks failed to demonstrate the extraordinary growth already reflected in their share prices.
• The global chip selloff erased roughly $500 billion in market value during the Wall Street session and continued through Asian trading. Samsung and TSMC were among the companies affected as concerns about semiconductor valuations, hyperscaler spending, circular financing, and the Federal Reserve outlook converged.
• AMD is making progress in artificial intelligence chips, including through a partnership with OpenAI, but it still faces a substantial competitive gap. Nvidia held close to 90% of the market for cutting-edge AI accelerators, while AMD's data-center business grew 22% and its legacy computer CPU business grew more than 70%.
• Democratic election victories reflected strong voter mobilization against President Trump, but they did not establish one universal party strategy. Zohran Mamdani won with a progressive base in New York City, while more moderate Democratic candidates prevailed in New Jersey and Virginia, suggesting that successful approaches may vary by district.
• California's Proposition 50 was presented by supporters as a counterweight to Republican-led redistricting in Texas. The wider redistricting contest could reshape races before 2026, although its actual electoral effects will depend on individual candidates and the independent contests conducted under the newly drawn maps.
• The Supreme Court tariff case concerns President Trump's use of a 1977 federal emergency law to impose sweeping tariffs after returning to office. Lower courts ruled against that use of the law, and the oral arguments were expected to reveal how the justices view the limits of presidential tariff authority.
• The government shutdown became the longest in American history when it reached day 36, with neither party showing an obvious path toward compromise. Unpaid workers were beginning to affect some flights, creating pressure on lawmakers as the busy Thanksgiving travel period approached.
• Market risk aversion extended beyond technology shares because investment-grade credit spreads widened, Bitcoin fell below $100,000 for the first time since summer, and bonds rallied. Small-cap stocks performed comparatively better, with the Russell gaining while major technology-heavy indexes remained under pressure.

Questions & Answers

Q: Why did technology stocks fall for a second day?

Investors were questioning lofty valuations and whether AI-related companies could deliver enough growth to justify expectations. Lackluster forecasts from AI providers and weak outlooks from other companies added pressure to the market.

Q: How did the broader market react to the technology selloff?

The S&P 500 ended down more than 1% in its worst session in nearly one month. Credit spreads widened, Bitcoin dropped below 100,000 for the first time since the summer, and bonds rallied.

Q: Why did AMD shares fall despite beating profit and sales forecasts?

AMD exceeded profit and sales forecasts, but expectations were so high that its outlook still disappointed investors. Its AI data-center business grew 22%, while investors continued assessing its ability to narrow Nvidia's competitive lead.

Q: How does AMD compare with Nvidia in artificial intelligence chips?

Nvidia held close to 90% of the market for cutting-edge AI accelerators. AMD was making progress through efforts including a partnership with OpenAI, but it still faced a substantial competitive gap.

Q: What did the Democratic election sweep indicate about voters?

The results showed that the Democratic base was highly mobilized and motivated against President Trump. Zohran Mamdani won in New York City with a progressive base, while more moderate Democratic candidates prevailed in New Jersey and Virginia.

Q: What could Zohran Mamdani's victory mean for New York City?

Mamdani signaled an aggressive fight against the Trump administration, making that stance central to his campaign. President Trump had threatened to pull funding from New York City if Mamdani won, while Mamdani's broader campaign promises remained to be tested after taking office.

Q: What was the Supreme Court considering about President Trump's tariffs?

The Supreme Court was hearing challenges to the legality of tariffs imposed through emergency authority. A lower court had ruled that the emergency law was used illegally, and oral arguments were expected to reveal the justices' views on presidential tariff power.

Q: Why could flight disruptions increase pressure to end the government shutdown?

The shutdown had reached day 36, and some unpaid workers were missing work, contributing to aviation disruptions. With the Thanksgiving travel period approaching, worsening flight problems could increase pressure for a settlement.

Summary & Key Takeaways

• Definition: The selloff reflected doubts that AI-related growth and earnings could justify lofty technology valuations.

• Number: The S&P 500 fell more than 1% in its worst session in nearly one month.

• Number: Bitcoin dropped below 100,000 for the first time since the summer.

• Compare: Nvidia held close to 90% of the cutting-edge AI accelerator market, leaving AMD with a substantial competitive gap.

• Number: AMD's AI data-center business grew 22%, while its legacy computer CPU business grew more than 70%.

• Who: Zohran Mamdani won the New York City mayoral election with support from a progressive base.

• Compare: Progressive support drove Mamdani's victory, while more moderate Democrats prevailed in New Jersey and Virginia.

• Definition: California's Proposition 50 was presented as a response to Republican-led redistricting in Texas.

• When: Supreme Court tariff oral arguments were scheduled to begin at 10:00 a.m. Eastern time.

• Number: The government shutdown reached day 36 as unpaid-worker absences contributed to aviation disruptions.