Exchange-traded funds with exposure to malls slumped Wednesday even after New York Gov. Andrew Cuomo said shopping centers could open starting Friday, with some restrictions. The Invesco S&P 500 Equal Weight Real Estate ETF /zigman2/quotes/210295644/composite EWRE -0.56% , which has 3% of its holdings in Kimco Realty /zigman2/quotes/202836571/composite KIM -0.33% and 2.9% in Simon Property Group /zigman2/quotes/209746667/composite SPG -1.01% - two of the biggest mall operators - was down 0.6% midday. Kimco was one of worst performers in the S&P 500 /zigman2/quotes/210599714/realtime SPX +0.61% , down 2.3%, while Simon shares were down 1.7%. The iShares Cohen & Steers REIT ETF /zigman2/quotes/208006168/composite ICF -0.52% was down 0.4%, despite having nearly 4% of its holdings in Simon. Both ETFs were on track for their worst month since March, although the Cohen & Steers fund was slightly positive for the month of July so far, while the Invesco fund has lost 1.5%. By comparison, the S&P 500 was up 0.2% at midday, and up 1.6% in the month to date.