O que o índice Ibovespa mede?

O que o índice Ibovespa mede exatamente?

[{"selector":"#anim-d1fc7ca8-b09d-44ec-b8e9-3df0ef4a41e7","keyframes":{"opacity":[0,1]},"delay":750,"duration":2000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2c508000-ba07-46a5-8ad4-2b152ad33f75","keyframes":{"opacity":[0,1]},"delay":1500,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-18c9a60d-7b2f-401c-bf61-651675fa7b8f [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-17.095742569037938%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":7000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] aprenda aprenda Leia na IF