text: """ QSTK utils """
  
  import QSTK.qstkutil.qsdateutil as du
  import QSTK.qstkutil.tsutil as tsu
  import QSTK.qstkutil.DataAccess as da
  
  import datetime as dt
  import matplotlib.pyplot as plt
  import pandas as pd
  
  
  
  def main():
  
  	ls_symbols = ["SPY"]
  	dt_start = dt.datetime(2013,1,1)
  	dt_end = dt.datetime(2013,12,31)
  	dt_timeofday = dt.timedelta(hours=16)
  	ldt_timestamps = du.getNYSEdays(dt_start, dt_end, dt_timeofday)
  