Just curious - notice the 52wk high and lows for UWTI and DWTI UWTI - 52 wk low - 03/18/2015 52 wk high - 06/23/2014 DWTI - 52 wk low - 06/23/2014 52 wk high - 01/29/2015 Why are the dates - 52 wk low of UWTI doesn't match with 52 wk high of DWTI?