What sardines can teach investors about today's markets

A California tale of “eating sardines” and “trading sardines” can help us divide investments into speculative and real, says Merryn Somerset Webb. Something that's very useful when looking at today’s markets.

Plates of sardines
It’s time for “eating” sardines
(Image credit: © Getty Images)

In his very good book on investing, Margin of Safety, Seth Klarman tells the story of a California speculative mania – in sardines. The fish had disappeared from their usual waters off Monterey, the shortage pushed up prices, and before long there was an enthusiastic trade under way in tinned sardines. The “you-can’t-go-wrong-with-sardines” story spread; prices soared.

Then one day a buyer (a hungry and clearly exceptionally price-insensitive one) decided to open a can and eat a sardine or two. He was fairly instantly unwell – and complained to his supplier. Why would you open the can?, asked the seller. “These are not eating sardines, they are trading sardines.”

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Merryn Somerset Webb

Merryn Somerset Webb started her career in Tokyo at public broadcaster NHK before becoming a Japanese equity broker at what was then Warburgs. She went on to work at SBC and UBS without moving from her desk in Kamiyacho (it was the age of mergers).

After five years in Japan she returned to work in the UK at Paribas. This soon became BNP Paribas. Again, no desk move was required. On leaving the City, Merryn helped The Week magazine with its City pages before becoming the launch editor of MoneyWeek in 2000 and taking on columns first in the Sunday Times and then in 2009 in the Financial Times

Twenty years on, MoneyWeek is the best-selling financial magazine in the UK. Merryn was its Editor in Chief until 2022. She is now a senior columnist at Bloomberg and host of the Merryn Talks Money podcast -  but still writes for Moneyweek monthly. 

Merryn is also is a non executive director of two investment trusts – BlackRock Throgmorton, and the Murray Income Investment Trust.