Energy ETF on pace for worst month since SeptemberETF on pace for worst month since September

The Energy Select Sector SPDR Fund
's declined 9.8% in May as oil price slump, putting it on pace for its worst monthly stretch since last September.
The biggest laggards include $Apache (APA.US)$ , $Energy Select Sector SPDR Fund (XLE.US)$ , $Exxon Mobil (XOM.US)$ , $Hess Midstream (HESM.US)$ and $Marathon Petroleum (MPC.US)$ , all down at least 10% this month.
In September, the XLE lost 10.5%.