The Financial Times Stock Exchange, a British company that calculates stock market indices for the London Stock Exchange. It is commonly used to refer to the FTSE 100, an index of the 100 largest publicly traded companies in the UK by market capitalization.
Acronym formed from Financial Times Stock Exchange, established in 1984 as a joint venture between the Financial Times newspaper and the London Stock Exchange. The name reflects its origins in financial journalism and stock trading.
The FTSE 100 is recalculated every 15 seconds during trading hours, making it one of the most frequently updated financial indices in the world. Interestingly, companies can be added or removed from the index based on their market value, creating a dynamic snapshot of Britain's economic powerhouses.
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