Japanese Preliminary GDP measures production and growth of the economy. Analysts consider GDP one the most important indicators of economic activity, and a reading which is better than the market forecast is bullish for the Japanese yen. Here are all the details, and 5 possible outcomes for USD/JPY. Published on Wednesday at 23:50 GMT. Indicator Background Japanese Final GDP bounced back in Q4 with a gain of 0.4%. No change is expected in Preliminary GDP for Q1, with a forecast of 0.4%. Traders should pay close attention to this indicator, as an unexpected reading can have a significant impact on the movement of ... (full story)