is there a website out there that has info like the old datradingstocks.com? stocks with the widest trading ranges of the day?
yes - a listing of stocks with the widest trading ranges for the day - and volume - daytradingstocks.com used to have a great list everyday
stocks sorted by weekly volatility: http://finviz.com/screener.ashx?v=141&p=d&o=-volatility1w&r=1 monthly volatility: http://finviz.com/screener.ashx?v=141&p=d&o=-volatility4w&r=1 unusual volume (daily): http://finviz.com/screener.ashx?v=211&s=ta_unusualvolume&f=sh_avgvol_100over&p=d&r=1