The value of investments can fall as well as rise, and you may get back less than you invested. Past performance is no guarantee of future results.

Weighting definition

Weighting uses mathematics to adjust a group of figures to reflect their relative importance by either proportion or value.

Weighting definition

Weighting uses mathematics to adjust a group of figures to reflect their relative importance by either proportion or value.

Some stock indexes are weighted. For example, the Nasdaq 100 index is weighted by market value, meaning each company in the index is measured relative to its market capitalisation. Weighted moving averages, which give more emphasis to the more recent data, are a commonly used instrument in technical analysis

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - Y

See all glossary trading terms