Computers For Day Trading

day trading
The buying and selling of securities on the same day, often online, on the basis of small, short-term price fluctuations
(Day traders) come to market each day flat (no position) and leave the day flat. Their behavior is very short-term and often emotional.
(Day traders) hold stocks for minutes to hours making numerous trades each day usually with a cursory understanding of the companies they trade.  These investors rely on timing and minimize risk by buying and then immediately selling.
Day trading refers to the practice of buying and selling financial instruments within the same trading day such that all positions are usually closed before the market close for the trading day. Traders that participate in day trading are called active traders or day traders.

computers
(computing) computer science: the branch of engineering science that studies (with the aid of computers) computable processes and structures
A person who makes calculations, esp. with a calculating machine
(computer) a machine for performing calculations automatically
(computing) calculation: the procedure of calculating; determining something by mathematical or logical methods
An electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program