The Financial Times Stock Exchange 100 index (FTSE 100) is a share index of the 100 companies listed on the London Stock Exchange with the highest market capitalization. The index, which began in January 1984 with the base level of 1,000, reached ******** at the end of 2024. LSE Overview Established in 1571, the London Stock Exchange (LSE) has grown to become the ninth-largest globally. Companies listed on the LSE had a companies primarily hail from the energy and pharmaceutical sectors, with Shell and AstraZeneca leading the pack. In the realm of

United Kingdom's main stock market index, the GB100, fell to 9690 points on December 2, 2025, losing 0.13% from the previous session. Over the past month, the index has declined 0.12%, though it remains 15.91% higher than a year ago, according to trading on a contract for difference (CFD) that tracks this benchmark index from United Kingdom. United Kingdom Stock Market Index (GB100) - values, historical data, forecasts and news - updated on December of 2025.

While passively managed index funds only constituted ** percent of the total assets managed by investment companies in the United States in 2010, this share had increased to ** percent by 2024. Active mutual funds are funds of pooled money managed by a fund manager, who actively researches new investment opportunities and amends the fund's portfolio accordingly. This contrasts to passive funds, where the fund's portfolio is (usually) determined by an external stock market index such as the Dow Jones Industrial Average or the FTSE 100.