The investment clock, also known as the "Bull & Bear Clock," is a market reference tool provided by Bank of America Merrill Lynch's securities division. It aims to help investors understand the overall market trend and sentiment, and determine the current market phase.The investment clock divides the market into four stages based on the business cycle:Overheat: The market is optimistic, with stock prices steadily rising, the economy in an expansion phase, and positive investor sentiment.Stagflation: The market experiences fluctuations, with stock prices possibly declining or fluctuating, and signs of economic slowdown.Recession: The market is pessimistic, with stock prices declining and the economy in recession, resulting in negative investor sentiment.Recovery: The market hits bottom