Japan's stocks fell for a fourth day straight Tuesday as the yen strengthened against most major currencies, cutting the earnings forecasts for exporters. IShares MSCI Japan Index (EWJ), the most popular ETF tracking the island nation, gave back 1.48% to 9.63. That's while the iShares MSCI EAFE Index (EFA), tracking developed foreign markets, skidded 0.68% to 56.83. SPDR S&P 500 (SPY) let up 0.47% to 145.29. iShares MSCI Emerging Markets Index