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![MorningstarInc Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::16726035.png) Morningstar, Inc. [@MorningstarInc](/creator/twitter/MorningstarInc) on x 230.5K followers
Created: 2025-07-18 11:00:00 UTC

New research finds that valuation expansion—not stronger fundamentals—has fueled US stocks’ dominance since 2008. Learn more about AQR’s study on the sustainability of US exceptionalism and key takeaways for investors:

![](https://pbs.twimg.com/card_img/1943935710018359298/Ai0SSXPO?format=jpg&name=800x419)

XXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1946163035703284052/c:line.svg)

**Related Topics**
[sustainability](/topic/sustainability)
[dominance](/topic/dominance)
[stocks](/topic/stocks)
[morningstar inc](/topic/morningstar-inc)
[stocks financial services](/topic/stocks-financial-services)

[Post Link](https://x.com/MorningstarInc/status/1946163035703284052)

[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

MorningstarInc Avatar Morningstar, Inc. @MorningstarInc on x 230.5K followers Created: 2025-07-18 11:00:00 UTC

New research finds that valuation expansion—not stronger fundamentals—has fueled US stocks’ dominance since 2008. Learn more about AQR’s study on the sustainability of US exceptionalism and key takeaways for investors:

XXXXX engagements

Engagements Line Chart

Related Topics sustainability dominance stocks morningstar inc stocks financial services

Post Link

post/tweet::1946163035703284052
/post/tweet::1946163035703284052