Meanwhile, investors were far less forgiving of Meta Platforms (META +0.75%), Alphabet (GOOGL +1.22%) (GOOG +1.05%), and Tesla (TSLA +5.14%) as questions mounted about their enormous AI investments.
The AI boom has entered the “show me” phase. And it could have major implications for which AI stocks outperform from here.

Image source: Getty Images.
The winners: Show me the money
Microsoft may be the clearest example of the “show me” mentality. The “Magnificent Seven” member is one of the biggest tech companies on the planet and is aggressively building out its AI infrastructure and Microsoft Azure cloud platform. Trailing twelve-month cloud revenue in the most recent quarter topped $100 billion for the first time.
But the biggest reason for investors’ enthusiastic reaction to Microsoft’s quarter was that it still maintained solid free cash flow despite its AI spending. Microsoft reported $19.9 billion in free cash flow for the fourth quarter of fiscal 2026. That was down 23% from a year ago, but Microsoft is forecasting it will remain free cash flow positive for fiscal 2027.
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NASDAQ: MSFT
Microsoft
Today’s Change
(0.43%) $2.09
Current Price
$483.24
Key Data Points
Market Cap
$3.6TMarket cap calculated using publicly traded s outstanding only. Does not include unlisted, private, or dual-class non-traded s. Implied market cap may vary.
Day’s Range
$478.53 – $486.36
52wk Range
$349.20 – $553.72
Volume
22.5M
Avg Vol
39.6M
Gross Margin
67.94%
Dividend Yield
0.93%
Amazon showed positive results as well. Amazon increased its total capital expense projection this year from $200 billion to $220 billion, but the investment is already paying off — Amazon Web Services’ growth was the fastest in more than four years, and its AI business exceeded an annual run rate of $25 billion. Amazon also recorded a roughly $25 billion annual run rate in its chips business.
Palantir isn’t a hyperscaler, but it’s an AI company of a different flavor. The software company’s massive growth shows that clients are willing to spend on AI. Its U.S. commercial business posted triple-digit growth for the fourth consecutive quarter, and Palantir is projected to achieve 134% growth in that segment for the full year.
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NASDAQ: PLTR
Palantir Technologies
Today’s Change
(3.44%) $5.98
Current Price
$179.94
Key Data Points
Market Cap
$432BMarket cap calculated using publicly traded s outstanding only. Does not include unlisted, private, or dual-class non-traded s. Implied market cap may vary.
Day’s Range
$172.55 – $182.44
52wk Range
$106.37 – $207.52
Volume
41.1M
Avg Vol
43.2M
Gross Margin
84.80%
The losers: Where’s the proof?
Alphabet is the other “Big Three” hyperscaler after Amazon and Microsoft, but its earnings report was viewed with more concern. While the company saw cloud revenue jump to $24.8 billion, Alphabet also reported negative free cash flow for the first time. Coupled with the company’s plans to increase capex spending from $185 billion to $200 billion, investors shrank away from the stock after earnings.
Meta and Tesla have bigger problems, in my opinion. Both companies have ambitious visions driven by their CEOs, but they appear to be a long way from achieving those goals. Meta’s Mark Zuckerberg has his company spending heavily to achieve the company’s vision of bringing free AI assistants and “superintelligence” to the masses. Tesla’s Elon Musk is focused on Optimus robots and full self-driving (FSD) technology — efforts that are shrinking margins and forcing the company into negative free cash flow territory.
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NASDAQ: TSLA
Tesla
Today’s Change
(5.14%) $17.73
Current Price
$362.86
Key Data Points
Market Cap
$1.4TMarket cap calculated using publicly traded s outstanding only. Does not include unlisted, private, or dual-class non-traded s. Implied market cap may vary.
Day’s Range
$346.90 – $366.50
52wk Range
$297.38 – $498.83
Volume
59.2M
Avg Vol
42.1M
Gross Margin
18.85%
Both Meta and Tesla could be big winners down the road with their visionary ambition, but getting there will be expensive, and judging by the companies’ post-earnings stock performance, investors are skeptical about the road ahead.
So, where does that leave investors?
Investors are showing that in this era of AI expansion, it takes more than talk and a big checkbook. They want to see results. Amazon and Microsoft’s success shows that investors aren’t objecting to massive AI spending. Palantir’s gains prove there’s a huge opportunity for software revenue from companies that can help clients use AI effectively.
The “show me” phase of the AI boom will reward companies that can demonstrate concrete growth that justifies spending and development. For investors, the best AI stocks to buy will be those that focus on growth and cash flow.
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About the Author
Patrick Sanders is a contributing Motley Fool stock market analyst covering stocks and ETFs in the consumer, financial, and technology sectors. Before joining The Motley Fool, he was an assistant managing editor at U.S. News & World Report and a news editor for The Associated Press. He holds a bachelor’s degree in journalism from Marshall University.
Stocks Mentioned

Microsoft
NASDAQ: MSFT
$483.24
(+0.43%)+$2.09
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Motley Fool Stock Advisor’s Latest Pick
—% Avg Return

Alphabet
NASDAQ: GOOGL
$344.82
(+1.22%)+$4.15

Amazon
NASDAQ: AMZN
$258.63
(-0.57%)-$1.48

Meta Platforms
NASDAQ: META
$549.90
(+0.75%)+$4.07

Tesla
NASDAQ: TSLA
$362.86
(+5.14%)+$17.73

Alphabet
NASDAQ: GOOG
$341.75
(+1.05%)+$3.55

Palantir Technologies
NASDAQ: PLTR
$179.94
(+3.44%)+$5.98
*Average returns of all recommendations since inception. Cost basis and return based on previous market day close.
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