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RTX (RTX) reached $195.34 at the closing of the latest trading day, reflecting a -1.18% change compared to its last close.

Sunrun (RUN) closed the most recent trading day at $8.33, moving 2.69% from the previous trading session.

Sweetgreen, Inc. (SG) concluded the recent trading session at $7.25, signifying a +2.11% move from its prior day's close.

Quanta Services (PWR) concluded the recent trading session at $622.02, signifying a -4.39% move from its prior day's close.

In the latest trading session, Kraft Heinz (KHC) closed at $24.27, marking a -1.34% move from the previous day.

MPLX LP (MPLX) concluded the recent trading session at $58.89, signifying a -1.59% move from its prior day's close.

In the latest trading session, ON Semiconductor Corp. (ON) closed at $71.65, marking a -5.9% move from the previous day.

US equity indexes ended lower Monday after US 10-year Treasury yields topped 5% for the first time s

(Updates with market moves at the end of the day, and other changes, if any.) Wall Street's equit

U.S. stocks fell after Anthropic CEO Dario Amodei called for a slowdown in artificial-intelligence development and as another increase in oil futures triggered interest-rate worries.

A wave of worry among top executives about the speed of artificial intelligence development had Wall Street selling shares of chip firms and buying software stocks. The Nasdaq Composite fell 0.6%. The selling was mostly limited to stocks tied to the AI trade, after Anthropic’s Dario Amodei pushed for top AI upstarts to work together on setting guardrails on development.

(Updates with index/price moves and geopolitical news from the first paragraph.) US equity indexe

ASML shares dropped 6.2% Monday morning after Anthropic CEO Dario Amodei and other AI leaders called for slowing frontier-model development.

Astera Labs shares sank 10.1% Monday morning after Anthropic's Dario Amodei and a chorus of AI leaders called for the industry to slow down.

Donald Trump dismisses attempts to increase controls on artificial intelligence as ‘sick conspiracy’

This month has consistently been one of the weakest months for equities, with the S&P 500 averaging roughly a 1.1% decline over the long run, and I think that seasonal headwind could weigh on the market again this year. While strong corporate earnings and continued enthusiasm around AI provide fundamental support, I expect the market to remain vulnerable to bouts of volatility as investors reassess interest-rate expectations, inflation, and the broader macroeconomic outlook.

(Updates with latest market prices and developments.) US benchmark equity indexes were lower intr

(Updates with index/price moves and company/geopolitical news from the first paragraph.) US equit

The Nasdaq composite recently traded 0.1% lower on the day, a near-full recovery after being down 1.3% earlier. If the tech-heavy index finishes in positive territory today, it would be the biggest intraday comeback since April 7.

Tech stocks fell sharply on Monday after AI companies called for a slowdown in the development of the technology.

Nvidia fell, Microsoft rose, and both moves trace back to the same weekend essay. Meanwhile, oil prices are soaring again.

Broad-market exchange-traded funds IWM and IVV were mixed, with the latter in the red. Actively trad

(Updates with index/price moves and geopolitical news from the first paragraph.) US equity indexe

Industry leaders rattle AI stocks as they speak out about rapid development and call for a slower pace of growth, today, Sept. 14, 2026.

US President Donald Trump attacked what he called a ‘sick conspiracy’ against AI, rejecting calls for regulation.

The market is looking frothy, but it's important to keep a cool head.

The US’s tech-focused Nasdaq 100 index was down by about 1.2% on Monday.

The Nasdaq slid 1% on Monday after AI company executives called for a slowdown in developing the technology.

Stock futures fell Sunday evening as investors considered a call to slow AI down. The call itself never asks anyone to buy fewer chips.

Both JEPQ and QYLD hand investors monthly checks generated from Nasdaq call premiums, yet their long-term share price trajectories have taken wildly different paths. Understanding why comes down to one subtle but consequential difference in how each fund structures its option trades.