The question facing many investors is how far and how long the fall in prices will last and whether or not the bull run that has driven stocks and indexes higher has now broken.
How grim 2012 becomes will depend on how far, and for how long, politicians persist with their misguided policies.
The major new players in e-book publishing Amazon, Apple and Google can easily track how far readers are getting in books, how long they spend reading them and which search terms they use to find books.
It is unclear so far how long the body had been in the woods.
Relying on buyers' brand loyalty has worked so far, but for how long?
Heating degree days are a measure of how long and how far the temperature stays below 65 degrees, that being the point at which people reach for their thermostats.
Most of the world's oil analysts, he believes, are far too optimistic about how long existing fields will last, the prospects for new discoveries, technology's ability to unlock new sources and to extend the life of existing ones, and so on.
Today it's become clear just how far it was out of their reach, long, long before they dropped it.
For both projects, the storm clearly has added significant delays, although just how long work will be set back is far from clear.
Wilson has seen patients who fixate on visualizing themselves in the plane and who go so far as to seek out information such as how long the plane fell through the sky so they can intensify the reality of the experience in their minds.
Peace has so far continued to reign in carrier land, but for how long?
How long can Qualcomm continue to produce growth rates so far ahead of the rest of the chip industry?
For the first hour, we listened to Mr. Ehrmann talk of how San Francisco had long been a cocktail town as far back as its Gold Rush days.
It was an anticlimactic end to a case whose decision was so long delayed that some speculated the justices were deadlocked over how far to rein in what some see as an out-of-control patent process.
FORBES: The Supreme Court Keeps Business-Method Patents Alive
Nasri has come a long way - on Tuesday he will attempt to show just how far.
BBC: Arsenal star Samir Nasri primed for Barcelona challenge
Donald Tsang, Hong Kong's far more popular chief secretary, will take over though for how long and by what arrangements is a subject of fierce debate in the territory.
John Paulson told investors today he still likes his long trade in Bank of America but has now lowered his outlook on how far robust the bank can book earning per shares in 2012.
But the schools system has been geared to providing University (and principally Oxbridge) entrants for far too long to the detriment of the majority of children, and no matter how they disguise it it's obvious that many people want to retain that system because that's the only way they can see of protecting the perceived quality of a university degree.
FARC's readiness to move ahead demonstrates how far President Pastrana has gone in re-establishing a limited degree of trust and goodwill between parties long used to mutual contempt and suspicion.
One reason why the Cypriot bailout debacle matters - perhaps the main reason - is that it shows how far the eurozone is from the kind of solidarity which many believe essential to the currency union's long-term survival.
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