Stocks were in solidly positive territory on Wednesday, June 15 — up until a slump hit indexes over the last 30 minutes of trading. By the closing bell, the Dow Jones Industrial Average (DJINDICES: ^DJI) had lost 31 points or 0.2%, and the S&P 500 (SNPINDEX: ^GSPC) shed 4 points, or 0.2%: