The stock market bottomed in mid October and then surged over the last 18 days. Chartists can find the leaders (and laggards) for this period by setting the PerfChart for 18 days. Simply double click the date tab and enter a number. The PerfChart below shows all nine sectors and SPY with big gains since October 15th. The Industrials SPDR (XLI) and HealthCare SPDR (XLV) are leading with double digit gains. The Materials SPDR (XLB) and Consumer Staples SPDR (XLP) are lagging with the smallest gains. The Finance SPDR (XLF) shows relative strength because it is up more than SPY.