$(document).ready(function() {
     
    //add negative class for arrows and replace +/- with $
    $(".stock-quote .change").each(function(){     
        if($(this).text().substr(0,1).toUpperCase() == '-'){
             $(this).addClass('negative')
        }
        $(this).text($(this).text().replace(/[+-]/, "$"));
    });
    $("span.volume").digits();

});