S&P 500 Index: What It Is, How It Works, and Why It Moves Markets in 2026
The S&P 500 is not simply a list of 500 large American companies. It is the most-benchmarked, most-cited, and most-consequential financial index on earth
S&P 500 Today, August 26, 2026: Index Edges Lower as NVIDIA Earnings Loom
The S&P 500 slipped 0.3% to 5,618 Wednesday as investors pulled back ahead of NVIDIA's quarterly results, the earnings report most likely to move
NASDAQ Composite August 26 — Falls to 19,847 Before NVIDIA Earnings
The Nasdaq Composite ended August 26 at 19,847, down 0.8% in a session driven by pre-earnings caution ahead of NVIDIA's Wednesday results. The Composite's
NASDAQ Index August 26 — What the 0.8% Decline Reveals About AI Market Concentration Risk
The Nasdaq Composite's 0.8% decline on August 26 raises a question that goes beyond Tuesday's session: when a single company — NVIDIA — accounts
NASDAQ Futures August 26 — Contracts Hold Steady as Markets Await NVIDIA Earnings Catalyst
Nasdaq 100 futures are trading flat to slightly lower in pre-market activity on August 26, with E-mini Nasdaq 100 contracts near 21,490 as investors
NASDAQ Today August 26 — Composite Falls 0.8% Before NVIDIA Earnings
The Nasdaq Composite fell 0.8% on Tuesday as investors reduced technology exposure ahead of NVIDIA's fiscal Q2 earnings after Wednesday's close. The session produced
NASDAQ 100 Today August 26 — Index Falls 0.8% Before NVIDIA Earnings
The Nasdaq 100 fell 0.8% to 21,483 on Tuesday as semiconductor stocks retreated ahead of NVIDIA's fiscal Q2 earnings after Wednesday's close, the most
SanDisk Stock Today August 26 — SNDK Falls as Spinoff Investors Reposition
SanDisk shares fell 1.6% to $58.34 on Tuesday as the flash memory company, spun out of Western Digital in February 2026, continues to trade
Palantir Stock Today August 26 — PLTR Surges 3.8% on Army AI Contract
Palantir Technologies jumped 3.8% to $41.67 on Tuesday, bucking the Nasdaq selloff, after the US Army announced a contract expansion valued at up to
Meta Stock Today August 26 — META Holds Flat as Llama 4 Adoption Climbs
Meta Platforms shares were essentially unchanged at $607.44 on Tuesday, holding near record highs, as the company's advertising business delivered 22% revenue growth in