Mumbai, May 4 -- The Japanese yen hovered near the 157 per dollar level as traders remained cautious following last week's suspected intervention by Japanese authorities after the currency weakened past 160, with markets continuing to watch closely for any further official action; despite a modest rebound, much of the yen's recent strength stems from that intervention rather than underlying momentum, while the policy divergence between the Bank of Japan and the Federal Reserve-both holding rates steady-maintains a wide yield gap that supports the dollar and limits upside for the yen, as broader sentiment is further influenced by geopolitical developments involving the United States and Iran, adding another layer of uncertainty to already ...