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You cannot prevent a market decline or guarantee that your investments will avoid losses. You can prepare by matching your portfolio to your goals and time horizon, diversifying, keeping emergency savings accessible, and following a deliberate plan instead of reacting to headlines.

Start with your plan, not the day’s market move

A falling market does not automatically mean you should sell. First ask when you will need the money, what the investment is meant to achieve, and whether your current portfolio still fits your financial situation and ability to bear losses. The SEC explains that investors with shorter time horizons may prefer less risky or volatile investments; a longer horizon may give someone more capacity to accept volatility, but it does not remove the risk of loss. Investor.gov’s asset-allocation guide describes how time horizon and risk tolerance inform allocation.

Risk tolerance includes both willingness to see investments fall and financial capacity to withstand a loss. A portfolio that is emotionally tolerable may still be unsuitable if you will need the money soon; one that looks reasonable on paper may be difficult to stick with if a decline would prompt you to sell. There is no single stock-and-bond mix that is right for every investor.

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Reduce concentration with diversification

Diversification spreads investments across asset classes and among holdings within those classes. It can reduce the impact of a single company, investment, or sector performing poorly, but it cannot guarantee gains or prevent losses; different parts of a portfolio can fall at the same time. The SEC’s beginner’s guide to asset allocation, diversification, and rebalancing explains these limits.

Do not assume that a fund is broadly diversified just because it is a mutual fund or ETF. A fund concentrated in one industry, theme, or narrow segment may leave you exposed to the same risks as a small number of individual holdings. Check the fund’s underlying holdings and compare its exposures with the rest of your portfolio.

Keep emergency money separate from long-term investments

Accessible savings for unexpected expenses can reduce the pressure to borrow or sell investments at a bad time. The SEC, CFTC, FINRA, NASAA, NFA, and SIPC’s October 5, 2026 World Investor Week bulletin gives three to six months of living expenses as an example savings goal—not a requirement or a universal target. The appropriate amount depends on your expenses, income stability, and other resources. Investor.gov’s rainy-day savings guidance notes the trade-off: safer, accessible savings are available when needed, but may earn less and may not keep up with inflation.

If you need cash soon, have high-interest debt, or cannot comfortably continue investing, reassess those priorities rather than treating continued contributions as mandatory. Emergency savings and long-term investments serve different purposes.

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Avoid trying to time every market move

Short-term trading in response to market swings can lead to buying after prices have risen and selling after they have fallen. Current SEC-led guidance favors patient, periodic investing over attempts to time the market, but that is a general approach—not a promise of gains or recovery, and not a reason to invest money you need for near-term expenses. Contributions should fit your budget and investment plan.

Lori Schock, writing in her former official capacity as Director of the SEC’s Office of Investor Education and Assistance, put the principle this way: “Your first reaction during a time of market volatility may be to panic. Don’t. Instead, plan it!” Her Investor.gov article, “Don’t Panic, Plan It!”, is marked as no longer being updated; use it as background rather than as current guidance.

Rebalance with a rule, and account for costs

Rebalancing brings a portfolio back toward its intended allocation when market movements cause its proportions to drift. You can review on a calendar schedule or set allocation thresholds in advance. The SEC guide gives six- or twelve-month reviews as examples used by some experts, not as a universal schedule; it also advises rebalancing relatively infrequently.

Before making trades, consider transaction fees and possible tax consequences. A rebalance may involve selling an asset that has risen and buying one that has fallen, but that does not make it a guaranteed way to improve returns. If you need individualized help assessing allocation, fees, or tax effects, consider speaking with a qualified financial professional.

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Be alert to scams during volatile markets

Market anxiety can make unsolicited offers or urgent promises especially persuasive. The SEC warns that fraudsters impersonate investment professionals and firms. Be skeptical of unsolicited pitches, verify a professional’s credentials independently, and compare investment fees before committing. See the SEC’s Investor.gov tips for 2026 for guidance on fee comparisons and impersonation scams.

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