Understanding Stock Exchanges and Market Statements

In the context of stock exchanges, consider the following statements regarding market participants and their roles:

1. Market makers provide liquidity by being ready to buy or sell shares at publicly quoted prices.

2. A primary market allows companies to raise capital through the issuance of new securities, while the secondary market provides a platform for trading existing securities.

3. Dark pools are regulated exchanges that provide a platform for trading without the visibility of public markets.

Which of the following statements is true about stock exchanges?