Earnings call is a conference call between the management of a public company, analysts, investors, and the media to discuss the company’s financial results during a given reporting period, such as a quarter or a fiscal year. An earnings call is usually preceded by an earnings report.
Company website
The best place to begin is with the Investor Relations section of a company website. Check this area for webcasts, transcripts, and other financial news released by the company.
See an example from Verizon here.
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