There are more people buy in than buy out on the stock market. A bullish Stock Quote is called Bull Market. There are many factors that form a Bull Market, and the following are several aspects of factors:
(1)Economic Factor: Profits increased in a stock enterprise. The economy was in prosperity. Interest rates went down. Prosperous industries developed, and even a moderate inflation could promote stock market prices to go up.
(2)Political Factor: Government policies, the enactment of the laws and regulations, or any political event in mutation break-out might cause the stock prices to go up.
(3)Stock Market Factor: For example, releasing a buying spree, Short Selling made by speculators, or large amounts of purchases on stock made by the rich might cause the occurrence of a Bull Market.