Shares of sports equipment retailer DICK'S Sporting Goods (DKS) tumbled almost 31% on Tuesday after the company reported fiscal second-quarter results that missed estimates on both the top and bottom lines. The company also cut its full-year profit outlook well below Wall Street's expectations. The stock closed at $124.31, down $55.02 from the prior session's close, on volume of roughly 35.4 million shares, about 21 times the typical daily average. The drop also pushed DKS to a fresh 52-week low. What Happened to DICK'S Sporting Goods DICK'S reported fiscal Q2 non-GAAP EPS of $3.53, missing the consensus estimate by $0.23....