Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market: NYSE: American International Group Inc., down $3.62 at $9.48 An analyst said the insurer's equity may be zero due to risk of continued losses from credit default swaps and assets sold cheaply. Emulex Corp., down 76 cents at $8 ...

Validus Holdings Ltd. on Tuesday offered to exchange its own shares for those of fellow Bermuda-based reinsurer IPC Holdings Ltd. The move is the latest in Validus' effort to thwart a combination of IPC Holdings and Max Capital Group Ltd. Under the exchange offer, IPC shareholders would receive 1 ...