Global Finance · Chapter 20
Building Your Investment Portfolio
Putting it all together — creating a personal investment strategy aligned with your goals, timeline, and risk tolerance.
Step 1: Define Your Financial Goals
Before investing, define why you are investing. Goals determine your strategy:
| Goal | Time Horizon | Typical Strategy |
|---|
| Emergency fund | 0–1 year | High-yield savings, money market |
| Down payment | 2–5 years | Bonds, conservative allocation |
| Retirement (young) | 30+ years | 80–100% stocks |
| Retirement (near) | 5–10 years | 60% stocks / 40% bonds |
Step 2: Assess Your Risk Tolerance
Ask yourself: "If my portfolio dropped 30% in one month, would I sell or hold?" Your honest answer defines your risk tolerance. Factors that affect it:
- Age — younger investors can take more risk (time to recover)
- Income stability — stable income = more risk capacity
- Dependents — more dependents = lower risk tolerance
- Psychological comfort — emotional reaction to loss matters
Step 3: Choose Your Asset Allocation
A classic rule: subtract your age from 110 to get your stock percentage. Age 30: 80% stocks, 20% bonds. Age 60: 50% stocks, 50% bonds.
Three-fund portfolio (simple and effective):
1. US Total Market Index Fund
2. International Index Fund
3. Bond Index Fund
This approach is endorsed by Vanguard founder John Bogle and Warren Buffett.
Step 4: Choose Your Accounts
- 401(k) / 403(b) — employer-sponsored, tax-deferred, often with employer match
- IRA (Traditional) — tax-deductible contributions, taxed on withdrawal
- Roth IRA — after-tax contributions, tax-free growth and withdrawal
- Taxable brokerage — no limits or tax advantages, maximum flexibility
Priority order: (1) 401k up to employer match → (2) Roth IRA max → (3) 401k max → (4) taxable account
Step 5: Rebalance and Stay the Course
Review your portfolio annually and rebalance back to your target allocation. The biggest mistake is reacting emotionally to market swings — the investors who do best are often those who barely check their accounts.
Chapter 20 Summary
- Define your goals and time horizon before choosing any investment
- Risk tolerance determines your stock/bond allocation
- A three-fund portfolio (US + international + bonds) is simple and effective
- Maximize tax-advantaged accounts before investing in taxable accounts
- Rebalance annually and stay the course through market downturns