Finance · 07/18/2025

Arbitrage Pricing Theory (APT) analyzes expected asset returns through multiple factors, highlighting that many economic risks, such as inflation and fluctuations in national income, cannot be diversified away. Compared to the Capital Asset Pricing Model (CAPM), APT offers greater flexibility, as it does not rely on a market portfolio and has fewer assumptions, providing broader applicability for theoretical use.

Education · 08/20/2025

This article provides a detailed overview of the 2025 PSAT/NMSQT exam, covering registration information, its significance, content, and preparation strategies, as well as the College Board's digital transformation. It emphasizes the PSAT's importance as a practice run for the SAT and as the qualifying test for the NMSQT scholarship program. Practical preparation advice is offered to help students excel and stand out during the US college application process. The article aims to equip students with the knowledge and strategies needed to perform well on the PSAT and improve their chances for college admission and scholarship opportunities.