Micron Carries 51% of S&P 500 Earnings Revisions; Walmart Surpasses Berkshire
$Micron Technology(MU)$ Alone Carries Half of $S&P 500(.SPX)$ 's Earnings Revisions; $Wal-Mart(WMT)$ 's Market Cap Surpasses $Berkshire Hathaway(BRK.B)$ for the First Time in 13 Years
$Goldman Sachs(GS)$ Data Reveals Extreme Divergence: One Chip Company Contributed 51% of the Index's Earnings Lift
Goldman's latest research shows that amid the US-Israel-Iran conflict and shifting global energy dynamics, US equity earnings expectations have diverged sharply. Micron Technology (MU) alone contributed approximately 51% of the S&P 500's earnings-per-share upgrades since February 27.
The numbers are staggering. Micron's consensus EPS growth forecast for 2026 stands at 605%, with EPS revisions up 93% since late February.
This indicates that despite geopolitical conflict and oil volatility, market confidence in Micron's AI memory (HBM) demand has not only held firm but intensified dramatically.
Meanwhile, $Wal-Mart(WMT)$ edged higher Monday, pushing its market cap above $Berkshire Hathaway(BRK.B)$ for the first time since 2013 and reclaiming a spot among America's top 10 most valuable companies as the ninth-largest US-listed firm.
Both now trade in the roughly $1 trillion market-cap range.
Investor Angle:
These two headlines, placed side by side, illustrate the market's current "rebalancing" logic:
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Offense $Micron Technology(MU)$ : The AI compute arms race is driving explosive HBM (high-bandwidth memory) demand. As one of the three memory giants, Micron is enjoying the steepest earnings leverage in the AI infrastructure buildout. But a 605% EPS growth expectation also means any signal of slowing AI capex could trigger violent downside.
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Defense $Wal-Mart(WMT)$ : As the market rotates from pure growth toward "quality plus cash flow," Walmart—the world's largest physical retail + e-commerce hybrid—is attracting capital for its defensive attributes and dividend yield. Surpassing Berkshire after 13 years signals the market is repricing "inflation-resistant consumer staples" relative to "financial conglomerates."
Strategy note:
Micron suits as a "high-beta satellite position" within an AI allocation, but requires tight stop-loss discipline.
Walmart's market-cap leap reminds investors that at elevated index levels, allocating to consumer staples and cash-flow-defensive names can help reduce portfolio volatility.
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