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).
Investors try to find stocks that are currently undervalued by the market, quickly buy them, and then quickly sell when the price raises. This requires not only knowledge of a company's financial status, but also the ability to follow a stock's price in real time.tock trading is the activity of buying and selling stocks. Investors who actively trade always try to buy low and sell high--the key to fast money on the stock market, and also very difficult to do consistently.