每日钉一下（投资中的「奥卡姆剃刀原则」，是怎么回事呢？）

Group 1 - The article emphasizes that funds are a suitable investment option for ordinary people [2] - It suggests that new investors should consider specific types of funds and strategies for investment [2] - The article promotes a free course designed to help beginners understand fund investment from scratch [2] Group 2 - The "Occam's Razor Principle" is introduced, which states that one should not complicate matters unnecessarily and should focus on the core issues [4] - The principle is applied to investment, highlighting that any news or policy changes ultimately affect fund net value through a simple formula: Fund Net Value = Price-to-Earnings Ratio * Earnings + Dividends [5] - It is noted that if a fund is purchased at a low valuation while the underlying company's earnings and revenue are growing, the fund's net value is likely to increase in the future [5]