Certain Wall Street analysts are forecasting substantial gains for AppLovin and HubSpot shareholders. Investors like stock splits because they typically follow sizable and sustained share-price appreciation, which is often a hallmark of competitively advantaged businesses. Indeed, stocks that split since 1980 have beat the S&P 500 (^GSPC 0.03%) by an average of 13 percentage points in the year following the stock-split announcement. AppLovin (APP -2.73%) and HubSpot (HUBS -1.80%) are stock-split candidates ...