Australian Investors Podcast

Is diversification overrated? Why Alphabet wins? Should you invest 100% overseas?

Nov 21, 2025
Australian investors face a tough reality: local markets lag behind the US as giants CBA and CSL falter. The hosts dive into why high-profile investments like Berkshire Hathaway's potential stake in Alphabet highlight its tech superiority. They challenge the effectiveness of diversification versus focusing on quality stocks. Discussions also include the relevance of Australian stocks, currency exposure, and the shift towards value investments at conference events. Plus, insights on the latest portfolio trends and corporate governance concerns keep the conversation lively.
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ANECDOTE

Vulcan's Volatile Rollercoaster

  • Owen recounts portfolio swings: Vulcan fell then rallied hard within months.
  • Small-cap volatility produced a dramatic 37% fall followed by a 30% recovery.
ANECDOTE

The CBA Bet That Swung Wildly

  • Owen tells of a bet on CBA's share price with James O'Reilly that quickly looked wrong.
  • CBA jumped from about $155 to $190 then fell ~20% in two weeks, making the bet close.
INSIGHT

Concentration Beats Excessive In-Asset Diversification

  • Diversification within an asset class often adds little after ~10 uncorrelated stocks.
  • Concentration and conviction in high-quality winners can drive outsized wealth over time.
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