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.