Prices become erratic and jump around more, so it's much hard to predict at what price you'll be able to sell. News events related to a stock tend to have an bi

Prices become erratic and jump around more, so it's much hard to predict at what price you'll be able to sell. News events related to a stock tend to have an bigger impact on the price as it's riskier to hold on to stock when negative news comes out (and vice versa).