纽约证券交易所股票上涨和下跌的比率约为2:1，总股票数达47亿股。

Two stocks rose for every one that fell on the New York Stock Exchange. Consolidated volume came to 4.7 billion shares.

目的是在工作日期间能够多次获小利。每天交易者可以买进卖出股票数千次。

The idea is to make a small profit many times during the day. Day traders may buy and sell stocks hundreds of times each day.