How does the stock market work?

$3,073,515,613,687

$2,783,208,255,486

$2,506,123,977,661

$1,916,592,280,772

$1,313,395,650,805

$1,135,539,264,420

$831,821,637,899

$1,907,415,337,940

$785,686,285,012

$786,281,103,121

$670,368,090,068

$653,217,197,581

$464,406,721,289

$432,964,020,971

$483,214,683,989

$389,539,326,874

$446,675,261,262

$761,279,973,700

$388,612,146,211

$374,442,038,626

$354,255,902,390

$313,197,560,298

$315,451,400,933

$261,661,198,630

$292,953,216,250

$240,711,275,894

$238,741,403,446

$225,184,491,968

$227,736,138,416

$221,312,388,209