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Click a company for its price historyMarket closed · Prices at the close, Oct 16, from Alpha Vantage
S&P 500
-1.11%
Tracked by SPY, $763.25
Nasdaq 100
-2.50%
Tracked by QQQ, $709.80
Dow Jones
-0.38%
Tracked by DIA, $519.10
Climbing today
44/100
Companies on the board up since the last close
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Nvidia$214.13-1.43%
- Market cap
- $5.1T
- 7 days
- -6.6%
- 52-week high
- $243.37
- From the 52-week high
- -12%
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Nvidia rises above $230
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Method
How this page is made.
Market data for the largest US-listed companies, on a split-flap board.
1. Prices
Atlas, the Avos data engine, reads Alpha Vantage's quotes for the largest US-listed companies, ADRs included, and ranks the top 100 by market cap. It checks for new prices every few minutes while the market is open.
2. The board
Each character is a flap that turns through the alphabet to its new value, the way old station boards did. The benchmarks are the ETFs that track them: SPY, QQQ and DIA.
3. Alerts
Avos Alerts watch any stock for you: a price line, a big move in a day or the news about the company, by email.
Prices are from Alpha Vantage and can be delayed. This page is for information only and is not financial advice.