Artificial intelligence (AI) is the new arms race and the centerpiece of defense modernization efforts across multiple countries, including the United States. Yet, despite the surge in AI investments, ...

The Nasdaq Composite rallied late on Tuesday to snap its losing streak at three days. The tech-heavy index rose 0.2% after falling nearly 0.6% at its low earlier in the day. The S&P 500 dipped 0.2%.

TikTok’s algorithm favors mental health content over many other topics, including politics, cats and Taylor Swift, according to a Washington Post analysis. At first, the mental health-related videos ...

Google released the December 2025 core update today, the company announced. This is the third core update of 2025 and the fourth major Google algorithm update overall. Earlier this year, Google rolled ...

You chose selected. Each dot here represents a single video about selected. While you’re on the app, TikTok tracks how you interact with videos. It monitors your watch time, the videos you like, the ...

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MicroStrategy (MSTR) dropped 40% from October highs as Bitcoin fell from $104,050 to $90,903. MicroStrategy owes $700M in annual preferred stock dividends but CEO Michael Saylor vowed never to sell ...

In September, Federal Reserve Chairman Jerome Powell warned investors that stocks were richly valued, an ominous pronouncement given that tariffs have left the economy on shaky ground In November, the ...

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

JD Sports JD1.49%increase; green up pointing triangle Fashion said it expects profit for fiscal 2026 at the bottom end of consensus, citing a difficult macroeconomic and consumer environment as it ...

NEW YORK, Nov 20 (Reuters) - The likelihood of bitcoin ending the year below $90,000 has risen to 50%, according to online options platform Derive.xyz, as traders ramped up hedging against more ...

It’s been just over a month since bitcoin hit an all-time high of $126,272.76 on Oct. 6, but things turned sour for the cryptocurrency soon after. Now, that level seems like a distant memory. The ...