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5 Investment Mistakes Not to Make

The biggest investment mistake people make may be not investing in the first place. While simply putting money in the market is a positive first step, there are many ways to reduce the effectiveness of that investment, such as investing in assets that may not align with your needs or relying on sources that may not be appropriate for your situation. To help get your investments off on the right foot, consider five investment mistakes to avoid.

 

Getting trading and investing confused

Those internet ads for day traders can be appealing and may make it look easy to make money in the stock market. However, many individuals may find that their needs are better aligned with long-term investing rather than short-term trading.

 

Investing generally involves purchasing assets for the long term (often years or decades), while trading typically refers to shorter-term activity where securities are bought and sold over days, weeks, or sometimes hours. Trading can involve higher costs and risks, and results may vary significantly depending on market conditions and timing. Long-term investing may offer different risk and return characteristics over time.

 

Expecting target-date funds to do all the work

 

Target-date funds shift the balance of investments from growth-oriented assets to more conservative investments as a target date approaches. Like robo-advisors, they can provide a more automated, “set-it-and-monitor-it” approach to investing.  While it can be appropriate to hold some exposure to these funds, they are generally designed for a broad range of investors and may not fully reflect your individual circumstances. Fees and investment approaches can also vary. It is important to evaluate how much exposure to these funds makes sense for your overall financial strategy rather than relying on them exclusively for convenience.

 

Not understanding diversification

 

Diversification is a widely recognized principle of investing. To help manage risk, investors may consider spreading investments rather than concentrating heavily in a single sector or asset type. There are several ways to diversify, including by industry, geography, and asset class. While diversification does not eliminate risk, it may help reduce the impact of volatility in any one area. Simple approaches, such as investing in index funds or including international exposure, can help establish a foundation before exploring more complex strategies.

 

Taking investment advice from friends and family

 

Your friends and family may share investment ideas with good intentions. However, their perspectives may not take into account your individual financial goals, time horizon, or risk tolerance. To help protect and grow your assets, it may be beneficial to evaluate information carefully and consider guidance from qualified financial professionals when making investment decisions. 

 

Hiring a financial advisor who isn't a fiduciary

 

Think your financial advisor is working for you? Financial professionals may operate under different standards. Fiduciary advisors are required to act in the best interests of their clients when providing advice. Understanding whether your advisor is acting as a fiduciary, as well as how they are compensated, can help you make more informed decisions about the guidance you receive.

 

Review your investment portfolio for these common mistakes and consider making adjustments if certain investments may not align with your financial goals. Moving forward, applying these lessons may help support more informed investment habits over time.

This award was issued on 10/01/2026 by Five Star Professional (FSP) for the time period 12/25/2025 through 06/03/2026. Fee paid for use of marketing materials. Self-completed questionnaire was used for rating. This rating is not related to the quality of the investment advice and based solely on the disclosed criteria. 3124 St. Louis-area wealth managers were considered for the award; 151 (5% of candidates) were named 2026 Five Star Wealth Managers. The following prior year statistics use this format: YEAR: # Considered, # Winners, % of candidates, Issued Date, Research Period. 2025: 2,997, 176, 6%, 10/3/25, 12/25/24 - 6/2/25; 2024: 2,685, 187, 7%, 10/1/24, 12/12/23 - 7/9/24; 2023: 2,691, 167, 6%, 10/1/23, 12/12/22 - 6/30/23; 2022: 2418, 158, 7%, 10/1/22, 1/24/22 - 7/22/22; 2021: 2683, 164, 6%, 10/1/21, 12/28/20 - 8/6/21; 2020: 2431, 170, 7%, 10/1/20, 1/6/20 - 8/7/20; 2019: 2481, 185, 7%, 10/1/19, 1/14/19 - 8/9/19; 2018: 2533, 179, 7%, 10/1/18, 1/26/18 - 8/15/18; 2017: 1681, 181, 11%, 10/1/17, 1/26/17 - 8/28/17; 2016: 1427, 324, 23%, 9/1/16, 3/3/16 - 8/22/16; 2015: 2194, 358, 16%, 10/1/15, 2/16/15 - 8/11/15; 2014: 1401, 389, 28%, 2/1/14, 2/16/13 - 8/11/13; 2013: 1726, 485, 28%, 2/1/13, 2/16/12 - 8/11/12; 2012: 1800, 455, 25%, 2/1/12, 2/16/11 - 8/11/11.
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This material was written by Five Star Professional, an unaffiliated third-party, and is for informational purposes only and should not be considered investment advice or a recommendation. Investing involves risk, including the possible loss of principal. Past performance does not guarantee future results. Investment strategies discussed may not be suitable for all individuals. Please consult a qualified financial professional before making investment decisions.

*Winners appearing on this page do not pay a fee to be considered or to win the Five Star Award. Professionals with a digital profile have paid a promotional fee.
Wealth managers do not pay a fee to be considered or placed on the final list of Five Star Wealth Managers. The award is based on 10 objective criteria. Eligibility criteria - required: 1. Credentialed as a registered investment adviser (RIA) or a registered investment adviser representative; 2. Actively licensed as a RIA or as a principal of a registered investment adviser firm for a minimum of 5 years; 3. Favorable regulatory and complaint history review (As defined by FSP, the wealth manager has not; A. Been subject to a regulatory action that resulted in a license being suspended or revoked, or payment of a fine; B. Had more than a total of three settled or pending complaints filed against them and/or a total of five settled, pending, dismissed or denied complaints with any regulatory authority or FSP's consumer complaint process. Unfavorable feedback may have been discovered through a check of complaints registered with a regulatory authority or complaints registered through FSP's consumer complaint process; feedback may not be representative of any one client's experience; C. Individually contributed to a financial settlement of a customer complaint; D. Filed for personal bankruptcy within the past 11 years; E. Been terminated from a financial services firm within the past 11 years; F. Been convicted of a felony); 4. Fulfilled their firm review based on internal standards; 5. Accepting new clients. Evaluation criteria - considered: 6. One-year client retention rate; 7. Five-year client retention rate; 8. Non-institutional discretionary and/or non-discretionary client assets administered; 9. Number of client households served; 10. Education and professional designations. FSP does not evaluate quality of services provided to clients. The award is not indicative of the wealth manager's future performance. Wealth managers may or may not use discretion in their practice and therefore may not manage their clients' assets. The inclusion of a wealth manager on the Five Star Wealth Manager list should not be construed as an endorsement of the wealth manager by FSP or this publication. Working with a Five Star Wealth Manager or any wealth manager is no guarantee as to future investment success, nor is there any guarantee that the selected wealth managers will be awarded this accomplishment by FSP in the future. Visit www.fivestarprofessional.com.