ToplineShares of Target dropped by 18% on Wednesday, pacing what would be the stock’s worst day in more than two years after the retailer announced third-quarter earnings and revenue that fell below analyst expectations.CHICAGO - MAY 23: Shopping carts sit inside a Target store on May 23, 2007 in Chicago, Illinois. ... [+] Today, Target Corp. reported an 18 per cent increase in their first-quarter profit, beating analysts' expectations. (Photo by Scott Olson/Getty Images)Getty Images Key FactsTarget’s share ...