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Consumer Price Index (CPI)

An index of what households actually buy. Stripping out volatile food and energy gives core CPI, which is what you read for the trend.Check pointOf the monthly inflation prints, this is the one markets react to fastest. Note the Fed’s own target is PCE, not CPI — the two are built differently.

Oct 2026 5 stories

TSMC Proved the AI Chip Boom Again. So Why Did the Stock Fall?

Third-quarter results beat expectations and fourth-quarter growth is guided higher. Investors should separate the substance of the AI investment cycle from market anxiety.

Investing

The U.S. Stock Market Selloff: What Investors Should Protect—and What They Should Change

The latest U.S. stock market decline is better understood as a simultaneous reassessment of inflation, interest rates, and the profitability and financing assumptions behind AI investment—not simply as panic selling.

InvestingWHAT NEXT

CPI Hits 3.7% and AI Stocks Take the Brunt: Nvidia Falls 3.16%, Dell 11.27%

A hotter-than-expected September CPI sent the Nasdaq down 1.88% and the SOXX semiconductor ETF down 4.50%. Companies that borrow to invest or run thin margins fell furthest.

Morning Brief

Record-High Index, Shaky Chips: A Week to Prove AI Earnings Against 5% Yields

The S&P 500 sits just below a record while semiconductors slide, the 10-year Treasury yield tops 5.2% and oil trades above $100. CPI, ASML and TSMC will test what investors are willing to pay for AI growth.

Morning Brief

Stocks Rose, but the Market's Insides Told a Different Story

A 5.24% 10-year yield, bank earnings on Oct. 13 and September CPI on Oct. 14 are the first tests for a market that closed the week higher but narrowly.

Morning Brief

Sep 2026 3 stories

It's Not Just Hormuz: Why the Middle East War Is Becoming a Fed Problem Again

The US-Iran ceasefire has already collapsed, and the risk no longer sits in the Gulf alone. With the Red Sea and Saudi Arabia's bypass pipeline now under threat too, an energy shock is spreading into prices, the Fed, and growth-stock valuations.

Macro

AI Is Supposed to Cut Costs. So Why Is It Pushing Prices Up?

Building the infrastructure behind AI means buying power, copper and data centers first, and that demand is already showing up in inflation data.

Tech

S&P 500 Rises 0.86%, Yet Rate-Hike Odds Hit 90%: The Real Reason Stocks Rallied

Stocks and rate expectations moved in the same direction on Friday, an unusual pairing. The market did not shake off inflation worries; a sharp oil price drop and an oversold bounce simply outweighed rate pressure for one day.

Morning Brief