Markets surged out of the gate Monday morning, with all three major U.S. indexes notching early gains. But after a bruising two-week rout on Wall Street, the question facing investors is whether stocks can sustain the rebound. If Monday’s bounce is driven more by short-term bargain hunting than long-term conviction, then certain scans, like StockCharts’ Strong Uptrends to New Highs can help cut through the noise — flagging the outliers breaking key levels and showing...