myfile = csv.DictReader(open('data_in/' + filename + '.csv', 'r'), delimiter=',', skipinitialspace=True)

    date, openp, highp, lowp, closep = [], [], [], [], []
    for line in myfile:
        if mdates.datestr2num(line['Date']) >= mdates.datestr2num('01/01/2014'):
            date.append(mdates.datestr2num(line['Date']))
            openp.append(int(line['Open']))
            highp.append(int(line['High']))
            lowp.append(int(line['Low']))
            closep.append(int(line['Close']))