• Changes in previously released earnings estimates
• Significant gains or losses
• Significant expansion or curtailment of operations
• Significant merger, acquisition, or divestiture proposals or agreements
• Significant purchase or sale of assets
• Significant new products, discoveries, patents, or other intellectual property
• Significant borrowing
• Major litigation
• New debt or equity offerings
• Changes in debt ratings
• Significant write-down of assets or additions to reserves for bad debts
• Liquidity problems
• Significant management changes