
Simply put, stock represents ownership of a company, which entitles the stockholders to a part of the company's assets and earnings.
The stock market plays a major role in the financial world. Corporations can raise funds by issuing equity shares to expand business or support operations. When the company gets listed with an initial public offering (IPO), its shares can be traded on exchanges among investors.
More specifically, equity securities comprise common stocks and preferred stocks. So, what’s the difference between the two?
Common shareholders have voting rights and receive dividends at the company's discretion. However, even if the company is profiting during the current year, it is not mandatory to declare a dividend distribution.
Preferred shareholders receive fixed dividends and are entitled to a preferential dividend distribution before common shareholders. Unlike common shareholders, they usually do not have voting rights but do have a superior claim on company assets. If liquidation occurs, preferred shareholders have a higher payment priority than common shareholders behind the company's creditors.

People hold or trade stocks for different reasons, as they are the most commonly used investment tool. These can include but are not limited to:
There is no guarantee that you will make a profit when investing in stocks. Prices are always fluctuating, which creates risk that can cause investors to lose money.
Systematic risk, also known as market risk or non-diversifiable, refers to the risk affecting the entire market.
Systematic risk factors include inflation, interest rates, business cycles, natural disasters, and political turbulence. These factors affect the entire financial market and cannot be avoided through diversification.
Nonsystematic risk is the risk that affects a specific sector or company. It is also known as industry-specific, company-specific, or diversifiable risk.
For example, a drug trial failure might drop the developer's stock price but not influence others, such as retailers.
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