Business · Markets · 4 hrs ago
Big tech shares post biggest weekly fall since April 2025
Big tech shares had their sharpest weekly drop since April 2025, as investors grew more concerned about the risks of heavy investment in artificial intelligence.
The Nasdaq 100, an index of major US companies, fell 5.5% over the week and is now 6.9% below its record reached earlier this month.
Chipmakers and cloud-computing firms were among the hardest hit, with CoreWeave shares plunging nearly 12% on Friday.
Investors turned to US Treasury bonds for relative safety, pushing bond prices up and yields down.
The 10-year Treasury yield fell to 5.08%, its biggest weekly decline since February, after rising above 5.3% the previous week.
The small-company Russell 2000 also fell, marking its sixth weekly decline in a row.
Some investors warn a technology-led correction could deepen, though the Nasdaq 100 has not yet fallen 10% from its peak, a level often used to define a correction.
Big tech shares recorded their biggest weekly fall since Donald Trump announced tariffs on April 2, 2025.
The Nasdaq 100 fell 5.5% for the week, including a 2.5% drop on Friday.
Investor concerns about artificial intelligence and reduced expectations for interest-rate increases helped send investors toward US Treasuries.
The Nasdaq 100 was down 6.9% from an intraday record reached earlier this month.
- Who
- Big tech companies and other US stocks.
- What
- Big tech shares posted their largest weekly fall since April 2025. The Nasdaq 100 fell 5.5% for the week.
- When
- The week ending Friday the 16th; the article was published on October 16, 2026.
- Where
- US markets.
- Why
- Investor concerns about artificial intelligence and reduced expectations for interest-rate increases contributed to the shift toward Treasuries.
This story does not have two clearly opposing sides.
Donald Trump announced tariffs on what he called Liberation Day, the previous benchmark for the largest weekly fall in big tech shares.
The Nasdaq 100 reached an intraday record.
The Nasdaq 100 fell 2.5%, leaving it down 5.5% for the week.
- Nasdaq 100 weekly fall
- 5.5%
- Nasdaq 100 Friday fall
- 2.5%
- Nasdaq 100 decline from intraday record
- 6.9%
- US 10-year Treasury yield
- 5.08% at the end of Friday
- Russell 2000 weekly fall
- 3%
What people are saying
Whenever there is very strong market performance, as happened with many of these AI-linked stocks, you have to expect sharp corrections. It is a two-way street.
The move was driven by investor concerns about the AI cycle and the unwinding of positions.