Why don’t stock markets like uncertainty?

Stock markets don’t like uncertainty as it can lead to irrational behaviour among investors, which disrupts the normal functioning of the market. Here’s why uncertainty negatively impacts stock markets:

Unpredictability: When there is uncertainty—whether it’s due to political instability, unclear economic policies, or unexpected events—investors struggle to make informed decisions. They rely on trends and data to predict future market movements, and uncertainty makes those predictions unreliable.

Increased volatility: Uncertainty leads to greater volatility, meaning prices fluctuate wildly. Investors tend to react emotionally when they are uncertain, either selling in panic or buying impulsively. This volatility can scare off investors and discourage long-term investment, as people fear significant losses.

Risk aversion: In uncertain times, investors often move their money into “safe-haven” assets, like gold, bonds, or cash, rather than riskier stocks. This shift in investment behaviour can cause stock prices to drop, as the demand for stocks decreases, and market liquidity dries up.

Lack of investor confidence: If the market is confused about economic conditions or the future direction of the economy, confidence in stocks diminishes. Without confidence, many investors may hold back from buying or investing, leading to lower overall market activity and potentially declining stock prices.

Delayed decision-making: When there’s uncertainty, businesses may delay investments, expansion plans, or hiring. Similarly, consumers may hold off on spending due to uncertainty. This lack of action can hurt economic growth, and investors may factor this into their decisions, further depressing stock prices.

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In short, stock markets prefer clarity and stability because they allow investors to make more confident, data-driven decisions. Confusion makes everything harder to predict, causing people to retreat or act irrationally, which ultimately leads to a less efficient market.

Lauren Hua is a private client adviser at Fairmont Equities.

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