JF Funds, the Jardine Fleming equities giant, hopes a new fund manager can reverse the recent troubles at its JF Japan Fund. It is one of the largest single foreign funds operating in Japan and has been in existence for 30 years, so JF executives like to think of it as the Magellan Fund of Asia. Just as the real Magellan Fund in the US made the wrong call in 1999 by moving too early into bonds, the JF...