Why Target Stock Jumped This Week

Target (TGT -0.51%) investors had a great week. Their stock jumped 13% through early Friday trading compared to a 1% increase in the wider market, according to data provided by S&P Global Market Intelligence. That rally added to a great year so far for owners of the retailing giant, whose shares are up 20% to date. Zooming out, though, the stock has underperformed the S&P 500 by a wide margin in the past year, rising just 4% while the index gained 27%.This week's spike was powered by good news on the earnin ...