Definition 1
One who buys and sells securities for his/her personal Account, not on behalf of Client.
Definition 2
An investor who holds stocks and securities for a Short period of time (a few minutes, hours or days). The goal is to Profit from Short-term gains in the Market. The stock selection is generally based on technical Analysis or Charting which relate only to the stock price rather than a fundamental evaluation of the company as a business. The IRS offers some Tax benefits to traders: they can deduct their interest Expense without itemizing, and seminar costs can be deducted as well as home office expenses in connection with investing.