Intraday
Within one trading day, as in a stock's "intraday price movements."
Limit order
An order to buy or sell a stock within price limits. You declare the maximum price you are willing to pay or the minimum price at which you are willing to sell the individual security.
Liquidity
A measure of how quickly you can get into and out of a security at the same price level.
Margin account
A type of brokerage account that allows you to borrow cash from the broker to buy securities.
Market indicator
A technical, sentimental, fundamental or economic indicator that gives signals to future market direction.
Market order
An order to buy or sell stock at the current market price.
Pattern day trader
Under U.S. Securities and Exchange Commission rules, a trader who buys a security and sells it the same day and does this at least four times over the course of five business days. The SEC requires these traders to follow certain rules.
Scalping
A day-trading strategy that allows you to make profits on extremely small price movements. That is, you enter and exit a stock within seconds or minutes for quick profits. You'll make many trades and aim for smaller profits on each.
Shorting
A strategy that allows you to borrow shares of stock from a brokerage, sell them to another buyer and then buy them back later at a lower price to return to the lender.