What causes shares to rise?
Emma Miller
Updated on December 31, 2025
The main factors that determine whether a share price moves up or down are supply and demand. Essentially, if more people want to buy a share than sell it, the price will rise because the share is more sought-after (the ‘demand’ outstrips the ‘supply’).
What causes share prices to go up and down?
In short, stock prices change because of supply and demand. The more intense the interest in a stock, the more bidders there are attracted to it, and the less interested current shareholders are in selling their own stock. As a result, potential buyers must bid higher to buy the stock, and the stock price moves up.
How do companies increase share price?
Because it is easier to make the stock price go up than to increase company profits, top executives sometimes spare no effort to push up the stock price. One way is to buy back company shares in the open market: When the number of shares decreases, the business value per share increases, making the stock more valuable.
What percentage of IPOs are successful?
An IPO often has a large impact on the profitability of the company in question. The share of U.S. companies that were profitable after their IPO has been falling since a decade high of 81 percent in 2009. In 2020, this figure had dropped to only 22 percent, which may spell bad news for this form of raising capital.
How often do IPOs go down?
Do IPOs always go down? Not exactly. IPOs are typically priced so that they go up about 15%-30% on the first day. In my view, this is usually too much because it means the company could have sold its shares for a higher price and raised more money (more on that, later).
Are IPOs first come first serve?
No, IPO doesn’t get allocated based on a first-come, first-serve basis. The allotment of shares in case of an IPO depends on the interest of the potential investors. If a lot of investors show interest in any particular IPO, then the allocation of shares to the retail investors is done through a lottery.
What does a high share price indicate?
The high price might show a business has been successful in the past, but its shares may now be very expensive based on classic equity valuation metrics. Buying now would ultimately mean you could be overpaying for something, even if the business is very good.