An exploration of A.I.G.’s demise offers insights into the virally connected financial world that is now imploding.

An exploration of A.I.G.’s demise offers insights into the virally connected financial world that began to implode in recent weeks.

An exploration of A.I.G.’s demise offers insights into the virally connected financial world that began to implode in recent weeks.

Maurice R. Greenberg may “materially decrease” his holdings in the American International Group, whose shares have declined more than 90 percent this year.

Unlike the crisis 100 years ago, today’s troubles are far more complicated and widespread.

Short-term gainers are clear, judging by the market reaction, but it will take time to determine who the survivors are.

Fearing a global financial crisis, the Federal Reserve reversed course and agreed to bail out the American International Group.

The great assortment of assets at the American International Group reflects the determination of Maurice R. Greenberg, the man who built A.I.G. into an empire spanning the globe.

A.I.G. was racing to arrange a $75 billion line of credit after major credit agencies cut their ratings on its debt.

The Federal Reserve is said to have asked two investment banks to put together $75 billion in loans to help prop up A.I.G.