Officials stressed that children would have to drink a lot of it before it harmed them and urged people not to panic-buy.

BBC: Fukushima workers in hospital after radiation exposure

Mayor Bloomberg urged residents not to panic-buy fuel.

BBC: Snowstorm batters north-east US and Atlantic Canada

Panic and buy an OEM?

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Where Wall Street's reaction to corporate trouble is more panic than reason: Buy.

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The head of one of the UK's biggest supermarkets has urged shoppers not to panic about the food they buy.

BBC: Iceland boss dismisses 'panic' over horsemeat in food

Glenn Beck, a talk-show host, foments panic and then urges listeners to buy gold from a company he endorses.

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Everyone who follows closely financial markets knows that the best time to buy stocks is at maximum panic, when everyone runs for the hills.

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At best, it will buy time before the next round of panic.

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So even if controls on capital outflows can buy time in a short-term panic, it is time bought at a high longer-term price.

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Merely the hint that he is prepared to use it to buy bonds has had a reassuring effect, averting any panic over the summer.

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This week, as banks and other big investors were panic selling, his customers were taking advantage of the price dip to buy more.

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Over the years my technique has been to buy a fallen angel at 4, then ride it to 2, panic and bail.

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