As deals grow more complex, Wall Street competition gets fiercer, and developments like meme stocks and SPACs upend conventional wisdom, business journalism has become even more vital. While some companies use platforms like Twitter to deliver news directly to consumers, journalism still sets the agenda for investors and markets. But keeping track of journalists and what they report on can be challenging for investors, financial public-relations pros, and other stakeholders, given how quickly coverage areas change. Insider identified 30 of today's most influential business journalists through our reporting and talking to financial PR pros.