If you're wondering why I always talk about momentum, take a look at the chart below. It shows how the momentum factor has clearly been the winner this year compared to several other factor investing methods.The blue line represents the S&P 500, which has delivered a 16% year-to-date return. The orange line depicts the momentum factor (MTUM), which has outperformed the S&P 500 by 10% so far this year. Notably, both high-dividend (IWD) and value (VYM) strategies have significantly underperformed the market, ...