Originally Posted by
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Sorry, whether a pip is 0.01 or 0.0001 doesn't make any difference .
The main rationale is that bad NFP numbers revealed that US economy is weak, and the stockmarkets dropped around the world. EUR/JPY is a carry trade pair, and carry trades are generally closely connected with stock markets. So EUR/JPY and GBP/JPY both dropped closely after NFP.
It seems that carry trades are used not just for profiting from your interest rate differential between low and high yielding currencies, but additionally yen are borrowed, and converted to EUR or GBP to buy stock. So when is a sell-off at the stock market, the yen is bought back, thus the strengthening.