More broadly, there are questions to be asked about where the single market stops, and how far new laws need to be passed in order to make the single market function efficiently.

BBC: Pile of waste

And the week before, shares of Washington Post company were also halted under the new circuit breaker rules after a single erroneous order entry.

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Finding all the right attributes in a single consultant can be a tall order, as one New York investment banker recently found out the hard way.

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As a patchwork solution, some drugmakers first seek approval of a new single-ingredient drug that contains a new active moiety in order to secure five years of exclusivity.

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Proceeds from the single will benefit the New York Firefighters Disaster Relief Fun and the New York Fraternal Order of Police.

CNN: Celebrities pitch in to help