美股纳斯达克市场有什么特点？

Group 1 - Nasdaq is one of the earliest securities markets to adopt electronic trading systems, lacking a physical trading floor and relying on advanced electronic networks for efficient matching of securities [1] - The market primarily lists growth-oriented innovative companies in technology, biotechnology, and internet sectors, which typically have high R&D investments and growth potential [1] - Nasdaq has established multiple differentiated listing standards, allowing companies to choose criteria based on their financial status and market capitalization, thus lowering the listing threshold for growth companies [1] Group 2 - Nasdaq operates in multiple tiers, including the Global Select Market, Global Market, and Capital Market, each corresponding to different listing standards and regulatory requirements, effectively matching companies with investor needs [2] - The market is under comprehensive regulation by the U.S. Securities and Exchange Commission (SEC) and adheres to its own listing rules and ongoing disclosure obligations, with updated regulations enhancing transparency in financial reporting and corporate governance [2]