Some symptoms to keep an eye out for include: 1  Chest pains or shortness of breath. 2  Chills or fever. 3  Coughing. 4  Headaches and muscle aches. 5  Rashes.
The buying of a security such as a stock, commodity or currency, with the expectation that the asset will rise in value. 2. In the context of options, the buying of an options contract. Opposite of short (or short position).
From Wikipedia, the free encyclopedia. A stock market bubble is a type of economic bubble taking place in stock markets when market participants drive stock prices above their value in relation to some system of stock valuation. Behavioral finance theory attributes stock market bubbles to cognitive biases that lead to groupthink and herd behavior.