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By Dr. David Edward Marcinko MBA MEd CMP™
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MUTUAL FUNDS, SECTOR FUNDS, ETFs AND INDEX FUNDS
SPONSOR: http://www.MarcinkoAssociates.com
here are many ways for a doctor, osteopath, podiatrist or dentist to financially invest. Traditionally, this meant picking individual stocks and bonds. Today, there are many other ways to purchase securities en mass. For example:
MUTUAL FUND: A regulated investment company that manages a portfolio of securities for its shareholders.
Open End Mutual Funds: An investment company that invests money in accordance with specific objectives on behalf of investors. Fund assets expand or contract based on investment performance, new investments and redemptions. Trade at Net Asset Value or the price the fund shares scheduled with the US Securities and Exchange Commission (SEC) trade. NAV can change on a daily basis. Therefore, per-share NAV can, as well.
Closed End Mutual Funds: Older than open end mutual funds and more complex. A CEMF is an investment company that registers shares SEC regulations and is traded in securities markets at prices determined by investments. Shares of closed-end funds can be purchased and sold anytime during stock market hours. CEMF managers don’t need to maintain a cash reserve to redeem or / repurchase shares from investors. This can reduce performance drag that may otherwise be attributable to holding cash. CEMFs may be able to offer higher returns due to the heavier use of leverage [debt]. They are subject to volatility, less liquid than open-end funds, available only through brokers and may sells at a heavily discount or premium to [NAV] determined by subtracting its liabilities from its assets. The fund’s per-share NAV is then obtained by dividing NAV by the number of shares outstanding. .
Sector Mutual Funds: Sector funds are a type of mutual fund or Exchange-Traded Fund (ETF) that invests in a specific sector or industry such as technology, healthcare, energy, finance, consumer goods, or real estate. Sector funds focus on a particular industry, allowing investors to gain targeted exposure to specific market areas. The goal is to outperform the overall market by investing in companies within a specific sector that is expected to perform well. However, they are also more susceptible to market fluctuations and specific sector risks, making them a more specialized and potentially higher-risk investment option.
STOCKS, BONDS AND MUTUAL FUNDS: https://medicalexecutivepost.com/2025/06/11/stocks-bonds-and-commodities/
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EXCHANGE TRADED FUNDS: ETFs are a type of fund that owns various kinds of securities, often of one type. For example, a stock ETF holds stocks, while a bond ETF holds bonds. One share of the ETF gives buyers ownership of all the stocks or bonds in the fund. If an ETF held 100 stocks, then those who owned the fund would own a stake – albeit a very tiny one – in each of those 100 stocks.
ETFs are typically passively managed, meaning that the fund usually holds a fixed number of securities based on a specific preset index of investments. These are tax efficient. In contrast, many mutual funds are actively managed, with professional investors trying to select the investments that will rise and fall.
The Standard & Poor’s 500 Index is perhaps the world’s best-known index, and it forms the basis of many ETFs. Other popular indexes include the Dow Jones Industrial Average and the National Association of Securities Dealers Automated Quotations [NASDAQ] Composite Index.
ETFs based on these funds are called Index Funds and just buy and hold whatever is in the index and make no active trading decisions. ETFs trade on a stock exchange during the day, unlike mutual funds that trade only after the market closes. With an ETF you can place a trade whenever the market is open and know exactly the price you’re paying for the fund.
ETFs: https://medicalexecutivepost.com/2025/01/06/etfs-alternatively-weighted-investments/
INDEX FUNDS: Index funds mirror the performance of benchmarks like the DJIA. These passive investments are an unimaginative way to invest. Passive index funds tracking market benchmarks accounted for just 21% of the U.S. equity fund market in 2012. By 2024, passive index funds had grown to about half of all U.S. fund assets. This rise of passive funds has come as they often outperform their actively managed peers. According to the widely followed S&P Indices Versus Active (SPIVA) scorecards, about 9 out of 10 actively managed funds didn’t match the returns of the S&P 500 benchmark in the past 15 years.
ASSESSMENT
Investing in individual stocks is psychologically and academically different than investing in the above funds, according to psychiatrist and colleague Ken Shubin-Stein MD, MPH, MS, CFA who is a professor of finance at the Columbia University Graduate School of Business When you buy shares of a company, you are putting all your eggs in one basket. If the company does well, your investment will go up in value. If the company does poorly, your investment will go down. Fund diversification helps reduce this risk.
CONCLUSION
Investing in the above fund types will help mitigate single company security risk.
References:
1. Fenton, Charles, F: Non-Disclosure Agreements and Physician Restrictive Covenants. In, Marcinko, DE and Hetico, HR: Risk Management, Liability Insurance, and Asset Protection Strategies for Doctors and Advisors [Best Practices from Leading Consultants and Certified Medical Planners™]. Productivity Press, New York, 2015.
Readings:
1. Marcinko, DE and Hetico, HR; Comprehensive Financial Planning Strategies for Doctors and Advisors [Best Practices from Leading Consultants and Certified Medical Planners™] Productivity Press, New York, 2017
2. Marcinko, DE: Dictionary of Health Economics and Finance. Springer Publishing Company, NY 2006
4. Shubin-Stein, Kenneth: Unifying the Psychological and Financial Planning Divide [Holistic Life Planning, Behavioral Economics, Trading Addiction and the Art of Money]. Marcinko, DE and Hetico, HR; Comprehensive Financial Planning Strategies for Doctors and Advisors [Best Practices from Leading Consultants and Certified Medical Planners™] Productivity Press, New York, 2017
COMMENTS APPRECIATED
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SPEAKING: Dr. Marcinko will be speaking and lecturing, signing and opining, teaching and preaching, storming and performing at many locations throughout the USA this year! His tour of witty and serious pontifications may be scheduled on a planned or ad-hoc basis; for public or private meetings and gatherings; formally, informally, or over lunch or dinner. All medical societies, financial advisory firms or Broker-Dealers are encouraged to submit a RFP for speaking engagements: MarcinkoAdvisors@outlook.com
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