The Indexing Giant Nobody Knows
Article on Barclays Global Investors, which manages $407 billion in funds invested to reflect major market indexes, and is world's biggest manager of funds for institutions; division of Barclays PLC is much less well known than Vanguard or Fidelity, although it pioneered indexing and remains at forefront; chairman Patricia C Dunn comments; photo; graphs profiling fund (M)
