...So, what were the world’s billionaires doing in 2015? Well, they were busy taking money off the table (liquidity was up to 22.2 percent of their net worth), diversifying their business exposure and investments (finance, banking and investment represent just 15.2 percent of all billionaires’s investments compared to 19.3 percent in 2014), and planning their 2016 social calendar (from Davos to St. Bart’s).