Over the past three trading sessions from Thursday to Monday, the U.S. artificial intelligence sector saw sharp movements as investors reacted to a mix of policy uncertainty and global developments.
Chipmakers such as NVIDIA and Advanced Micro Devices (AMD) came under pressure on Thursday amid concerns about possible U.S. export restrictions on advanced AI chips, which could affect global sales.
The decline extended into Friday as broader market caution and geopolitical tensions involving the U.S., Israel and Iran weighed on investor sentiment and added to market uncertainty.
By Monday, however, sentiment stabilized and several AI-linked companies rebounded as investors reassessed risks and shifted their focus toward upcoming U.S. economic data and the interest-rate outlook from the Federal Reserve.
The developments highlight how the rapidly expanding AI sector is increasingly shaped not only by technology demand but also by government policy and broader macroeconomic forces.
AI Stocks – Market Reaction (Thu–Mon)
| Company | What It Does | Exchange | Thu (Mar 5) Close | Fri (Mar 6) Close | Mon (Mar 9) Close |
| NVIDIA | AI Chip Maker | NASDAQ: NVDA | $183.34 (+0.16%) | $177.82 (-3.01%) | $182.65 (+2.71%) |
| Advanced Micro Devices | AI Chip Maker | NASDAQ: AMD | $199.42 (-1.31%) | $192.43 (-3.51%) | $202.68 (+5.33%) |
| Palantir Technologies | AI Data Platform | NASDAQ: PLTR | $25.34 (-0.34%) | $26.08 (+2.92%) | $25.96 (-0.46%) |
| Microsoft | AI Cloud Services | NASDAQ: MSFT | $410.68 (+1.35%) | $408.96 (-0.42%) | $409.41 (+0.11%) |
| Broadcom | Custom AI Chips | NASDAQ: AVGO | $1,327.70 (+4.80%) | $1,318.50 (-0.69%) | $1,379.30 (+4.62%) |
| Alphabet | AI Cloud & Search | NASDAQ: GOOGL | $300.88 (-0.74%) | $295.18 (-1.89%) | $294.08 (-0.37%) |
(Sources: Nasdaq; Yahoo Finance; Investing.com)
AI stocks showed a modest rebound by Monday after a late-week dip, while cloud and platform companies moved largely sideways, indicating investors remain selectively bullish on AI infrastructure despite broader market volatility.
The latest development, U.S. President Donald Trump said late Monday the conflict with Iran could end “very soon,” comments that pushed oil prices lower and lifted global equities. This eased investor concerns about prolonged disruption to energy supplies and could further influence market sentiment in the coming trading sessions.
PRESIDENT TRUMP ON END OF IRAN WAR: 🇺🇸🇮🇷“I Think Soon, Very Soon.” https://t.co/pear3GBij5 pic.twitter.com/ClM7RN8Wm1
— Donald J Trump Posts TruthSocial (@TruthTrumpPost) March 9, 2026
