What moved

Markets Pulse

Ownership changes over quarters. Price changes over minutes, and this is where that half lives. Sized by market cap, coloured by performance, so the biggest movers are the biggest blocks rather than the loudest headlines.

Technology sectormarket cap by size, year to date by colour

This is a still image, not a live chart, and it is not ours: it is the MarketCarpet published by StockCharts, captured on 19 August 2026. Nothing on it updates, so read the figures as a snapshot of that moment rather than as today’s market. Open the live version on StockCharts to sort, change the grouping, or hover a ticker.

StockCharts MarketCarpet treemap of the technology sector. Semiconductors, software, computer hardware, telecom equipment and computer services are shown as nested blocks sized by market capitalisation and shaded from red to green by year-to-date performance. NVIDIA, Microsoft and Apple are the largest blocks.

Swipe the map sideways to read the smaller blocks.

Chart and data © StockCharts.com. Reproduced here as a snapshot with attribution and a link to the source. Range shown: 2 January 2026 to 19 August 2026.