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An open-end fund continuously issues and redeems shares at net asset value. This guide explains how these funds operate and their role in investing.

Open source software allows anyone to access, modify, and distribute its code. This article explains how open source works and why it matters.

This guide explains how OMOs work and why they are essential to monetary policy.

A one-time charge is a nonrecurring expense reflecting unusual events. This article explains examples, accounting treatment, and financial impact.

A clear explanation of optimal capital structure, how it’s determined, and why it shapes long-term financial performance.

Oligopoly is a market structure dominated by a small number of firms. This guide explains how it works, its characteristics, and its impact on markets.