She admitted to being jittery at her first few races back, but her confidence and comfort gradually returned.

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This was probably aimed at reassuring business leaders in the City of London, still jittery after Mr Sarkozy appeared to rejoice at the appointment of Frenchman Michel Barnier to oversee the EU single market, including financial services.

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This slowdown, along with recent volatility in stockmarkets, has made consumers jittery, believes Julian Callow at Barclays Capital.

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At present, it is especially jittery about labour markets.

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The objections included everything from the desirability of preserving the historic facade to the need to pump Mozart into stalls at a nearby Thoroughbred farm to calm jittery horses during construction.

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The move was seen a crucial vote of confidence at a time when most foreign investors are jittery.

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At any rate, both systems are said to be at least as good as, and probably better than, film, which looks jittery and flickery in comparison.

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