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The stock market crashes 30%. You've got £10,000 ready to invest. Which strategy gives you the best chance of making the most money if the market eventually recovers?

  • Invest all £10,000 immediately 120 votes (20.7%)
  • Invest £2,000 every month for five months 214 votes (37.0%)
  • Wait until prices stop falling 119 votes (20.6%)
  • Wait until the market starts rising again 126 votes (21.8%)

Total votes: 579

Answer: A — with an important qualification.

Historically, investing a lump sum immediately has beaten spreading investments over time more often than not, because markets tend to rise over the long term.

But that doesn’t guarantee the best outcome after a particular crash. If prices continue falling, spreading purchases could work better.