Retail stocks are suffering their worst week of the year following a slew of disappointing earnings results. The S&P 500's Retail ETF (XRT) - Get Report was down as much as 3.3% week to date. It's the worst week for the ETF since it dropped 4.2% in December 2016. 

Foot Locker  (FL) - Get ReportAscena Retail Group (ASNA) - Get Report and Sears  (SHLD) were some of the biggest losers in retail this week. Ascena, which is the parent company of numerous clothing retailers,  has experienced a 30% decline after adjusting its second half guidance to reflect pressures on the retail sector. 

Retail's downturn giving you the blues? Jim Cramer has a list of retailers that are currently oversold, giving investors a leg up one of the market's most volatile sectors.