Takeaway: Japan and Venezuela are each devaluing their currencies. Here's the impact on their stock markets.

Japanese and Venezuelan stock markets are two of the best performers this year, and they have one thing in common - both countries are devaluing their currencies. It's a boon for stocks now, as the chart below suggests. The chart shows the performance of both countries' stock markets since the beginning of November. However, the results of currency devaluations over the long haul rarely, if ever, end well.

Burning currency, rising stock market - Jpn Ven