As financial markets fluctuate, investors and news hounds alike have any number of Web locales where they can go to track the trading action — including the markets themselves.

Here’s a list of some familiar stock exchange sites where you can follow the latest market developments and learn how they operate.

Chicago Mercantile Exchange: Spotlights commodity futures and options data, as well as educational insights. www.cmegroup.com

Hong Kong Stock Exchange: Provides latest market updates, research and statistical reports. www.hkex.com.hk/eng/index.htm

London Stock Exchange: Tracks daily activity on world indexes and international markets. www.hkex.com.hk/eng/index.htm

Nasdaq: Contains market activity, news and investing insights. www.nasdaq.com

New York Stock Exchange: Offers trading listings, market data and educational info for investors. www.nyse.com