Boom or bust:  Economic growth or recession.

Fed up: interest rate changes by the Federal Reserve.

Fundamentals: Changes in company earnings, growth.

Game of politics: Political events, both domestic and international.

Acts of Nature: Natural disasters or climate-related events.

Liars: Corporate scandals or fraud.

Rules of the game: changes in government regulations.

Tech IT: Technological innovation or disruption.

War and peace: Geopolitical tensions or conflicts.

Feelings, Sentiment: Changes in investor sentiment or market psychology.