Judging by these numbers, not often - Allianz's quarterly operating was 2.4 billion euros in Q2 2012.

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Over the last couple of years, quarterly earnings season was often followed by a stall after stocks were bid up previously.

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At the moment, the PBOC issues long quarterly reports on monetary policy, often couched in general terms, but its efforts to communicate are far more sparse than at other central banks.

WSJ: Investors Seek Clarity From People's Bank of China

Too often, the market's maniacal focus on creating ever-increasing quarterly earnings drives bad corporate behavior, as it apparently did at Dell.

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In a 2001 study published in the Quarterly Journal of Economics Terry Odean and Brad Barber showed that the more often folks trade, the worse they do.

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People often think that the purpose of a VC is just to write a check and then read news during quarterly Board meetings.

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