Yes, Target beat earnings. But with growth slowing, it may no longer be a stock worth buying.Target (TGT 12.44%) stock exploded 12% higher through 11:15 a.m. after the company beat Wall Street analyst forecasts for second-quarter sales and earnings Wednesday morning.Heading into the quarter, analysts forecast Target would earn $2.18 per share on sales of$25.2 billion -- but Target beat those forecasts with a stick. Sales were $25.4 billion, while earnings came in at a strong$2.57 per share. Target's Q2 ea ...