Wall Street rises after an encouraging inflation update, as Micron helps
AI stocks stop their slide
[December 19, 2025] By
STAN CHOE
NEW YORK (AP) — U.S. stocks rose on Thursday following an encouraging
report on inflation that could help the Federal Reserve keep cutting
interest rates next year. A strong profit report from Micron Technology
also helped AI stocks halt their sharp slides, at least for now.
The S&P 500 climbed 0.8% and broke a four-day losing streak. The Dow
Jones Industrial Average added 65 points, or 0.1%, and the strength for
tech stocks sent the Nasdaq composite up a market-leading 1.4%.
Some relief came from a report showing that inflation was less bad last
month than economists expected. That could soothe nerves at the Fed,
which is responsible for keeping inflation low and for keeping the job
market strong.
Inflation is still higher than anyone would like, at 2.7% last month,
but if it creeps closer to the Fed’s target of 2%, Fed officials could
feel more free to cut interest rates to help a slowing job market. Wall
Street loves lower rates because they can boost the economy and prices
for investments, even if they may also worsen inflation.
To be sure, some along Wall Street said Thursday’s inflation update may
not move the needle much at the Fed given how noisy economic reports
have been following the U.S. government’s earlier shutdown. Next month’s
update on inflation could provide a better gauge of what’s actually
happening. But a better-than-expected report on inflation is
nevertheless better than the alternative.
Also helping to drive the U.S. stock market was Micron Technology, the
seller of memory and storage for computers, which rallied 10.2% after
reporting better profit and revenue for the latest quarter than analysts
expected. CEO Sanjay Mehrotra said each of the company’s business units
enjoyed stronger revenue and made more in profit off each $1 of that
revenue.
Micron also gave forecasts for upcoming profit and revenue that blew
past analysts’ expectations, and Mehrotra credited its position as an
“AI enabler,” among other things.
Billions of dollars are flowing into artificial-intelligence technology,
which helped superstar stocks like Nvidia lead the market for years.
But questions are rising about whether those stock prices shot too high
and whether customers will get a good-enough return on their AI
investments through bigger profits and productivity. Worries are also
weighing on companies that are borrowing lots of money amid the AI
frenzy.
Oracle and Broadcom have been at the center of such concerns recently,
and their stock prices had been falling sharply since last week despite
both reporting better profits for the latest quarter than analysts
expected. On Thursday, Oracle added 0.9%, and Broadcom rose 1.1%.
Nvidia, the chip company that’s become Wall Street’s most influential
because of its immense size, gained 1.8%.
Another winner was Trump Media & Technology Group, which jumped 41.9% to
trim some of its steep loss for the year so far, 69.3% coming into the
day. The company, which began with President Donald Trump’s Truth Social
platform and then moved into cryptocurrencies and various other lines of
business, is now moving into nuclear power.
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Trader Anthony Confusione works on the floor of the New York Stock
Exchange, Thursday, Dec. 11, 2025. (AP Photo/Richard Drew)
 It’s merging with TAE Technologies
in an all-stock deal, and each company will own roughly half of the
combined business. The companies said the deal would pair TMTG’s
ability to raise significant money by attracting investors with
TAE’s technology. They hope to get TAE’s nuclear-fusion reactors,
which would create power in a similar way as the sun does, running
commercially.
Cintas rose 1.3% after the provider of work uniforms and cleaning
supplies reported stronger profit for the latest quarter than
analysts expected, while also announcing a program to send up to $1
billion to shareholders by buying back its own stock.
Darden Restaurants, the company behind Olive Garden and LongHorn
Steakhouse, climbed 1.8% even though its profit for the latest
quarter fell short of analysts’ expectations. Its growth in revenue
topped forecasts, benefiting from both the opening of new
restaurants and increased revenue at its older locations.
CarMax dropped 4.2% even though the auto retailer reported a
stronger profit for the latest quarter than analysts expected. It
said it may make less profit from each $1 of revenue in sales of
used autos during the current quarter, as it tries to get more
competitive in the market. It also plans to increase spending on
marketing to drive more customers to lots.
All told, the S&P 500 rose 53.33 points to 6,774.76. The Dow Jones
Industrial Average added 65.88 to 47,951.85, and the Nasdaq
composite jumped 313.04 to 23,006.36.
In stock markets abroad, indexes rose 0.6% in London, 0.8% in France
and 1% in Germany after the Bank of England cut its key interest
rate and the European Central Bank kept its steady.
Asian indexes were mixed, with stocks falling 1.5% in South Korea
but adding 0.2% in Shanghai.
In the bond market, Treasury yields sank following the
cooler-than-expected report on U.S. inflation.
The yield on the 10-year Treasury fell to 4.11% from 4.16% late
Wednesday.
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AP Business Writers Matt Ott and Elaine Kurtenbach contributed.
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