S&P 500
Real-time market data and news
The S&P 500 is a stock market index tracking the stock performance of 500 of the largest companies listed on stock exchanges in the United States.
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The S&P 500 is the benchmark index for large-cap U.S. equities. This hub shows a live index level with headlines on earnings season, Federal Reserve policy, inflation, and the sectors leading or lagging the tape.
When people ask how 'the market' did, they usually mean the S&P 500. Pair this page with Dow and Nasdaq hubs for a fuller tape read, and with Fed and inflation topics when macro is in the driver's seat.
What moves the S&P 500
Interest-rate expectations, inflation data, corporate earnings, and sector leadership (tech vs. energy vs. financials) drive most index moves. A handful of mega-cap stocks can dominate daily percentage changes.
How to read today's session
Check the live level, then scan headlines for the catalyst — CPI, FOMC, bank earnings, geopolitics. Cross-link into individual names (Apple, Nvidia, etc.) when a single stock is driving the index.
Index vs. investable products
The S&P 500 is an index, not a stock. Investors typically access it through funds; Alto shows the index level and news for context, not fund recommendations.
Latest S&P 500 News
- Broadcom Inc. Q3 2026 Earnings: Live Updates of $AVGO Earnings Call, Forecast - thestreet.comGoogle News•about 5 hours ago
- Broadcom stock sinks as chipmaker results 'not enough to keep investors happy' - Yahoo FinanceGoogle News•about 6 hours ago
- Snowflake spikes 22% on healthy results and AI coding momentum - CNBCGoogle News•about 6 hours ago
- Broadcom's stock drops 5% as weak guidance overshadows earnings beat - CNBCGoogle News•about 6 hours ago
- Broadcom Forecast Misses Estimates, Disappointing Investors - Bloomberg.comGoogle News•about 6 hours ago
- Wall St set to snap three-day losing streak as stocks reclaim some shine - reuters.comGoogle News•about 7 hours ago
- Broadcom Inc. Announces Third Quarter Fiscal Year 2026 Financial Results and Quarterly Dividend - investors.broadcom.comGoogle News•about 7 hours ago
- Snowflake’s stock soars as the company blows away estimates with its AI-fueled forecast - MarketWatchGoogle News•about 7 hours ago
- Market Valuation: Expensive CAPE Or Cheap PEG?ZeroHedge•about 8 hours ago
- Oil Hovers Close to $95 as Middle East Conflict Further Pressures Bonds - WSJGoogle News•about 10 hours ago
- Uber drivers launch European class action over ‘soulless’ and ‘scary’ AI algorithmThe Guardian — World•about 11 hours ago
- The 'Great Satan' Strikes, The 'Snake' Bites Back: Damage Assessed From Iran Flare-Up After Deadly US AttacksZeroHedge•about 13 hours ago
S&P 500 — Frequently Asked Questions
- What is the S&P 500 level today?
- This page shows a live S&P 500 index quote from market data providers. Index levels are not tradeable instruments themselves; ETFs and futures track them.
- What does the S&P 500 measure?
- The S&P 500 tracks roughly 500 of the largest U.S. publicly traded companies, weighted by market capitalization, and is the primary benchmark for U.S. large-cap performance.
- Why is the S&P 500 moving today?
- Common drivers include Federal Reserve rate expectations, inflation and jobs data, corporate earnings, and shifts in mega-cap tech leadership. Related headlines on this page highlight what outlets are emphasizing in the current session.
- Where can I follow Fed and inflation news?
- Open Alto's Federal Reserve and Inflation topic hubs, or the Finance desk for continuous market coverage.