The AI boom is starting to break time-tested stock-market signals
Published . Updated .
The relationship between gold and platinum used to be a reliable stock-market signal. Has artificial-intelligence spending caused it to short-circuit? Meanwhile, the Fed faces a big question of its own today.
Directly affected
- No company is named in this report.
Indirectly affected
- QQQ Invesco QQQ+1.7% 18d
Invesco QQQ: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story.
- AIQ Global X Artificial Intelligence & Technology ETF-1.8% 30d
Global X Artificial Intelligence & Technology ETF: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story.
- GLD SPDR Gold Shares-3.3% 30d
SPDR Gold Shares: it follows gold or gold miners. Linked by “gold” (gold) in this story.
- TLT iShares 20+ Year Treasury Bond ETF-1.8% 30d
iShares 20+ Year Treasury Bond ETF: Treasury bond prices move with interest-rate expectations. Linked by “fed” (US interest rates) in this story.
- MSFT Microsoft+8.4% 30d
Microsoft (prepackaged software): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
- GOOGL Alphabet-6.5% 30d
Alphabet (computer programming, data processing, etc.): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
- AMZN Amazon.com+2.9% 30d
Amazon.com (catalog and mail-order houses): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
- META Meta Platforms-7.9% 30d
Meta Platforms (computer programming, data processing, etc.): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| QQQ | +0.56% | -2.36% | base | after close | after close | after close | after close |
| AIQ | +0.50% | -2.20% | base | after close | after close | after close | after close |
| GLD | +1.79% | -1.53% | base | after close | after close | after close | after close |
| TLT | -1.71% | -0.37% | base | after close | after close | after close | after close |
| MSFT | +0.23% | -1.36% | base | after close | after close | after close | after close |
| GOOGL | +4.40% | -0.12% | base | after close | after close | after close | after close |
| AMZN | +3.64% | -2.04% | base | after close | after close | after close | after close |
| META | +12.65% | +3.57% | base | after close | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
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The relationship between gold and platinum used to be a reliable stock-market signal. Has artificial-intelligence spending caused it to short-circuit? Meanwhile, the Fed faces a big question of its own today.
Source: MarketWatch
How far Invesco Qqq Trust, Series 1 (QQQ) has moved since 28 Oct 2026
| Company | When | Move | Status |
|---|---|---|---|
| Global X Fds (AIQ) | three days earlier | -2.20% | final price |
| Global X Fds (AIQ) | five days earlier | +0.50% | final price |
| Amazon Com (AMZN) | three days earlier | -2.04% | final price |
| Amazon Com (AMZN) | five days earlier | +3.64% | final price |
| Spdr Gold Trust (GLD) | three days earlier | -1.53% | final price |
| Spdr Gold Trust (GLD) | five days earlier | +1.79% | final price |
| Alphabet (GOOGL) | three days earlier | -0.12% | final price |
| Alphabet (GOOGL) | five days earlier | +4.40% | final price |
| Meta Platforms (META) | three days earlier | +3.57% | final price |
| Meta Platforms (META) | five days earlier | +12.65% | final price |
| Microsoft (MSFT) | three days earlier | -1.36% | final price |
| Microsoft (MSFT) | five days earlier | +0.23% | final price |
| Invesco Qqq Trust, Series 1 (QQQ) | three days earlier | -2.36% | final price |
| Invesco Qqq Trust, Series 1 (QQQ) | five days earlier | +0.56% | final price |
| Ishares Tr (TLT) | three days earlier | -0.37% | final price |
| Ishares Tr (TLT) | five days earlier | -1.71% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Lisa McClain bought Microsoft (MSFT) (held by a spouse), worth $1,001 - $15,000 on 30 Sep 2026. That is 28 days before publication. Filed 12 Oct 2026. View the filing.
- Rep. Michael Rulli sold Microsoft (MSFT), worth $1,001 - $15,000 on 28 Sep 2026. That is 30 days before publication. Filed 2 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar sold Microsoft (MSFT), worth $1,001 - $15,000 on 24 Sep 2026. That is 34 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Pete Sessions sold Alphabet (GOOGL), worth $15,001 - $50,000 on 14 Sep 2026. That is 44 days before publication. Filed 18 Sep 2026. View the filing.
- Rep. Rohit Khanna sold Alphabet (GOOGL) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 54 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Thomas H. Kean Jr sold Alphabet (GOOGL), worth $1,001 - $15,000 on 27 Aug 2026. That is 62 days before publication. Filed 12 Sep 2026. View the filing.
- Rep. Michael T. McCaul sold Amazon Com (AMZN) (held by a spouse), worth $1,001 - $15,000 on 28 Aug 2026. That is 61 days before publication. Filed 14 Oct 2026. View the filing.
- Rep. Michael T. McCaul sold Amazon Com (AMZN) (held by a spouse), worth $1,001 - $15,000 on 27 Aug 2026. That is 62 days before publication. Filed 14 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Amazon Com (AMZN), worth $15,001 - $50,000 on 26 Aug 2026. That is 63 days before publication. Filed 8 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar sold Meta Platforms (META), worth $1,001 - $15,000 on 24 Sep 2026. That is 34 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Meta Platforms (META) (held by a dependent child), worth $1,001 - $15,000 on 23 Sep 2026. That is 35 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar bought Meta Platforms (META), worth $1,001 - $15,000 on 22 Sep 2026. That is 36 days before publication. Filed 7 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who gains and who loses around Invesco Qqq Trust, Series 1 (QQQ)
Companies mentioned with this story
- QQQ Invesco Qqq Trust, Series 1
For “The AI boom is starting to break time-tested stock-market signals,” Invesco Qqq Trust, Series 1 (QQQ) is linked, with no stored direction, medium confidence. Reason on file: Invesco QQQ: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story
- AIQ Global X Fds
In “The AI boom is starting to break time-tested stock-market signals,” Global X Fds (AIQ) is linked, with no stored direction, medium confidence. Reason on file: Global X Artificial Intelligence & Technology ETF: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story
- GLD Spdr Gold Trust
In “The AI boom is starting to break time-tested stock-market signals,” Spdr Gold Trust (GLD) is linked, with no stored direction, medium confidence. Reason on file: SPDR Gold Shares: it follows gold or gold miners. Linked by “gold” (gold) in this story
- TLT Ishares Tr
For “The AI boom is starting to break time-tested stock-market signals,” Ishares Tr (TLT) is linked, with no stored direction, medium confidence. Reason on file: iShares 20+ Year Treasury Bond ETF: Treasury bond prices move with interest-rate expectations. Linked by “fed” (US interest rates) in this story
- MSFT Microsoft
For “The AI boom is starting to break time-tested stock-market signals,” Microsoft (MSFT) is linked, with no stored direction, medium confidence. Reason on file: Microsoft (prepackaged software): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story
- GOOGL Alphabet
In “The AI boom is starting to break time-tested stock-market signals,” Alphabet (GOOGL) is linked, with no stored direction, medium confidence. Reason on file: Alphabet (computer programming, data processing, etc.): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story
- AMZN Amazon Com
Amazon Com (AMZN) is linked, with no stored direction, medium confidence in the 28 Oct 2026 story “The AI boom is starting to break time-tested stock-market signals.” Reason on file: Amazon.com (catalog and mail-order houses): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story
- META Meta Platforms
In “The AI boom is starting to break time-tested stock-market signals,” Meta Platforms (META) is linked, with no stored direction, medium confidence. Reason on file: Meta Platforms (computer programming, data processing, etc.): big tech's AI spending and demand drive its shares. Linked by “ai” (AI and big tech) in this story
Invesco Qqq Trust, Series 1 (QQQ)
“The AI boom is starting to break time-tested stock-market signals” (28 Oct 2026) reaches Invesco Qqq Trust, Series 1 (QQQ) through this story.
Invesco Qqq Trust, Series 1 (QQQ) is on the page because Invesco QQQ: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story
A second company, Global X Fds (AIQ), is listed for a different reason: Global X Artificial Intelligence & Technology ETF: it holds the big tech and AI names. Linked by “ai” (AI and big tech) in this story
Dates in the story, and the Invesco Qqq Trust, Series 1 (QQQ) price range
AIQ traded between 61.70 and 67.40 across 19 sessions. The latest close on file is 62.94. GLD traded between 373.41 and 400.78 across 20 sessions. The latest close on file is 379.67. QQQ traded between 701.18 and 762.84 across 18 sessions. The latest close on file is 721.22.
How strong the case is around Invesco Qqq Trust, Series 1 (QQQ)
46 out of 100
“The AI boom is starting to break time-tested stock-market signals” scores 46 out of 100. The score uses 1 sources, and 8 linked companies.