Michael Harnett, the Chief Investment Strategist for Bank of America Merrill Lynch, developed this map that scales countries not by population, oil reserves, or per capital bronies, but the relative size of their stock markets.
Elena Holodny of Business Insider points out a few interesting comparisons. China and its constituent city Hong Kong are nearly the same size. Russia has greater surface area than Pluto, but is about the size of Finland.
Note that New Zealand, as many world maps explain, doesn't actually exist.
-via Marginal Revolution