Dealing with investor uncertainty
A broadly diversified portfolio with an appropriate target asset allocation for an investor's circumstances ....

.... is a straightforward and disciplined way to deal with uncertainty about where to invest in today's unquestionably challenging investment environment.
This enables investors to spread their risks and their opportunities throughout different market conditions - rather than trying to pick future winners or trying to "time" the markets (attempting to pick the best times to buy or sell assets).
Successive research has concluded that a diversified portfolio's strategic asset allocation - the proportions of its total assets invested in different asset classes - is responsible for the vast majority of its return over time. (See The global case for strategic asset allocation, published by Vanguard, July 2012.)
An appropriate strategic or target asset allocation takes into account each investor's risk tolerance, time horizon and financial goals.
And a disciplined investment approach involves periodically rebalancing a portfolio so its risk/return characteristics remain consistent with its strategic asset allocation. Rebalancing is particularly critical after different markets have moved sharply up or down.
As Smart Investing recently discussed in The investor's lament, investors seeking a diversified portfolio can choose to invest in a simple diversified investment fund. These funds are designed to reflect an investor's tolerance to risk with typical choices of conservative, balanced, growth and high growth portfolios.
Of course, many investors create their own diversified portfolios by investing in a series of sector-specific funds.
By Robin Bowerman
Smart Investing
Principal & Head of Retail, Vanguard Investments Australia
18 May 2015
Latest eNewsletters
Hot Issues
- ASIC targeting high-pressure sales and inappropriate advice
- Investment and economic outlook, January 2026
- Australians not underspending their super
- Five financial steps for the new year
- ASIC warns investors on pump and dump scammers
- Don’t confuse contribution with roll-over when using proceeds from small business sale
- Missed SG exemption may not be problem
- Rare and vanishing: Animals That May Go Extinct Soon
- It’s super hump month. Make the most of it
- Three timeless investing lessons from Warren Buffett
- 2026 outlook: Economic upside, stock market downside
- Care needed with ceased legacy pensions
- What had the biggest impact on the sector in 2025?
- What does 2026 look like in the SMSF sector?
- It’s not just Div 296 that could face changes in 2026
- Which country produces the most electricity annually?
- AI exuberance: Economic upside, stock market downside
- Becoming a member of an SMSF is easy, but there are other things that need to be considered
- Investment and economic outlook, November 2025
- Move assets before death to avoid tax implications
- ATO issues warning about super schemes
- 12 financial tips for the festive season and year ahead
- Birth date impacts bring-forward NCCs
- Countries with the largest collection or eucalyptus trees
- How to budget using the envelope method
- Accountants united in support for changes
- Investment and economic outlook, October 2025
- Stress-test SMSF in preparation for Div 296
- Determining what is an in-house asset can help determine investment strategy
- Beware pushy sales tactics targeting your super
- Call for SMSF ‘nudge’ in DBFO package
- How Many Countries Divided From The Largest Empire throughout history

