Company personnel changes. Effects of national and international activity on local businesses. Influence of local business leaders on municipal politics. Don't cover business like sports. Realize that business is about profits, not about solving social problems.
Profits come first.
Business Periodicals Index, Wall Street Journal Index, computer data bases. Annual report, 10K and the proxy statement. Overview of company's finances. Prospectus filed when new stock is offered. State insurance commission, State and Consumer Services Agency, other agencies.