# Stock Market Watch

> Live US stock market data: top gainers and losers (premarket, regular, and after-hours sessions), indices, ETFs, earnings, economic calendar, and curated thematic stock baskets. Data refreshes throughout the trading day.

Stock Market Watch is a finance and markets reference site published by Port80Media, Inc. The site is editorial and informational — it does not provide trading recommendations. Market data is sourced from Massive.com (formerly Polygon.io). See the [methodology page](https://stockmarketwatch.com/methodology) for coverage scope, refresh cadence, and editorial process, and the [disclaimer](https://stockmarketwatch.com/disclaimer) for full terms.

## Live market overview

- [Homepage / live dashboard](https://stockmarketwatch.com/): top movers, market indexes, sectors, breaking news, earnings, economic calendar
- [Stock Market Today](https://stockmarketwatch.com/live/stock-market-today): live narrative of the current trading session

## Top movers

- [Premarket movers](https://stockmarketwatch.com/movers/premarket): top premarket gainers and losers
- [Regular-session movers](https://stockmarketwatch.com/movers/today): top gainers, losers, and most active during US market hours
- [After-hours movers](https://stockmarketwatch.com/movers/afterhours): top after-hours gainers and losers
- [Premarket gap analytics](https://stockmarketwatch.com/movers/premarket/gap-analytics): structured gap analysis on premarket movers ($10B+ market cap, price > $5)

## Indices & exchanges

- [S&P 500 today](https://stockmarketwatch.com/indices/sp500/today)
- [Dow Jones today](https://stockmarketwatch.com/indices/dowjones/today)
- [NYSE today](https://stockmarketwatch.com/exchanges/nyse/today)
- [NASDAQ today](https://stockmarketwatch.com/exchanges/nasdaq/today)
- [AMEX today](https://stockmarketwatch.com/exchanges/amex/today)

## Stock pages

Per-ticker pages live at `https://stockmarketwatch.com/stock/{SYMBOL}`, with session-specific views at `/stock/{SYMBOL}/premarket` and `/stock/{SYMBOL}/afterhours`, plus nested sections `/stock/{SYMBOL}/fundamentals/...` and `/stock/{SYMBOL}/technicals/...`. Coverage includes the full S&P 500 and ~150 top ETFs by assets.

Examples:

- [AAPL — Apple](https://stockmarketwatch.com/stock/AAPL)
- [NVDA — Nvidia](https://stockmarketwatch.com/stock/NVDA)
- [TSLA — Tesla](https://stockmarketwatch.com/stock/TSLA)
- [MSFT — Microsoft](https://stockmarketwatch.com/stock/MSFT)
- [SPY — S&P 500 ETF](https://stockmarketwatch.com/stock/SPY)
- [QQQ — Nasdaq 100 ETF](https://stockmarketwatch.com/stock/QQQ)

## Themes (thematic stock baskets)

Curated baskets of stocks grouped by investment theme. ~44 themes with 3–8 sub-themes each. Browse the full taxonomy at [https://stockmarketwatch.com/themes](https://stockmarketwatch.com/themes). Featured themes:

- [AI & Machine Learning](https://stockmarketwatch.com/themes/ai-machine-learning) — Companies building, deploying, or enabling artificial intelligence and machine learning technologies
- [Semiconductors](https://stockmarketwatch.com/themes/semiconductors) — Companies designing, manufacturing, or equipping the semiconductor supply chain
- [Quantum Computing](https://stockmarketwatch.com/themes/quantum-computing) — Companies developing quantum hardware, software, algorithms, or cloud quantum services
- [Cybersecurity](https://stockmarketwatch.com/themes/cybersecurity) — Companies providing security products and services to protect digital systems and data
- [Cloud & SaaS](https://stockmarketwatch.com/themes/cloud-saas) — Companies providing cloud infrastructure, platforms, or software-as-a-service applications
- [Blockchain & Digital Assets](https://stockmarketwatch.com/themes/blockchain-digital-assets) — Companies in cryptocurrency, blockchain infrastructure, digital asset exchanges, and tokenization
- [Data Centers & Digital Infrastructure](https://stockmarketwatch.com/themes/data-centers-digital-infrastructure) — Companies owning, operating, or equipping data center and digital infrastructure
- [5G & Connectivity](https://stockmarketwatch.com/themes/5g-connectivity) — Companies building or operating next-generation wireless and broadband networks
- [IoT & Connected Devices](https://stockmarketwatch.com/themes/iot-connected-devices) — Companies enabling the internet of things through sensors, connectivity, and edge platforms
- [Robotics & Automation](https://stockmarketwatch.com/themes/robotics-automation) — Companies building or deploying robots and automated systems across industries
- [Autonomous Systems](https://stockmarketwatch.com/themes/autonomous-systems) — Companies developing self-driving vehicles, drones, and autonomous industrial systems
- [Space & Satellites](https://stockmarketwatch.com/themes/space-satellites) — Companies in space launch, satellite operations, earth observation, and space infrastructure

## Tools

- [Earnings calendar](https://stockmarketwatch.com/tools/earnings/calendar)
- [Economic calendar](https://stockmarketwatch.com/tools/economic-calendar)
- [Short squeeze stocks](https://stockmarketwatch.com/tools/short-squeeze)
- [ETF trends](https://stockmarketwatch.com/tools/etfs/trends)
- [Portfolio tracker](https://stockmarketwatch.com/portfolios/tracker)

## Crypto, forex, and metals

- [Crypto overview](https://stockmarketwatch.com/crypto)
- [Crypto screener](https://stockmarketwatch.com/crypto/screener)
- [Crypto trends](https://stockmarketwatch.com/crypto/trends)
- [Forex](https://stockmarketwatch.com/forex)
- [Metal prices — gold, silver, copper, platinum, palladium](https://stockmarketwatch.com/metal/prices)

## Reports

- [Daily market report](https://stockmarketwatch.com/daily-market-report)
- [Stablecoins 2025 report](https://stockmarketwatch.com/market-trends/stablecoins/2025-report)

## About

- [About us](https://stockmarketwatch.com/about-us)
- [Methodology & data sources](https://stockmarketwatch.com/methodology)
- [Disclaimer](https://stockmarketwatch.com/disclaimer)
- [Privacy](https://stockmarketwatch.com/privacy)
- [Terms of service](https://stockmarketwatch.com/terms)

## Optional

- [llms-full.txt — extended reference with page templates and full theme taxonomy](https://stockmarketwatch.com/llms-full.txt)
- [XML sitemap](https://stockmarketwatch.com/sitemap.xml)