The S&P 500 Index gained 2.6% after the first four days in 2018, that’s the best start since 2006.  Since 1950, 12 other times a year started with a greater than 2.5% after four days. How did those years finish?  Full year gain(12 out of 12)closed with an average return of 18.6% and median return of 18.2%.

Data courtesy of Ryan Detrick of LPLResearch