SPX (S & P 500) volume spiked dramatically to 4.276/4.070/4.674/4.505 billion sh past 4 days

SPX (S & P 500) volume spiked dramatically to 4.276/4.070/4.674/4.505 billion shares past 4 days, from only 3.220/3.453/3.352/3.365 bln prior 4; points to important peaking action.