"Billionaires' Top Stock-Split Picks and One to Avoid"

Billionaire investors are heavily buying stock-split companies Chipotle Mexican Grill and Sony Group, while selling off Walmart shares. Chipotle's 50-for-1 split and Sony's 5-for-1 split have attracted significant investments due to their strong operational performance and growth potential. Conversely, concerns about a potential recession and Walmart's valuation have led to a sell-off by top investors.