51.   Union Pacific Corp. shareholders sued the railroad company this week, charging it failed to disclose problems stemming from its merger with Southern Pacific Rail Corp.

52.   Vista is being investigated by the Securities and Exchange Commission and sued by shareholders.

53.   Walt Disney Co. was sued by shareholders over the multi-million dollar pay package it granted former President Michael Ovitz, the Associated Press reported.

54.   Yesterday, a shareholder sued to block it, alleging it violated the terms of a court order.

55.   Office supply chain Staples Inc. is being sued by shareholders who are trying to block a share buyback program they call too generous.

56.   Shareholders sue over banks sanctions.

57.   Some shareholders sued the company in Delaware chancery court.

58.   The newly appointed head of the Railtrack Group, Geoffrey Howe, said Tuesday that shareholders would sue the government if they cannot reach an agreement on compensation.