Usually that is a sign that something big has gone wrong in the financial markets or a world-effecting incident has taken place.
Silvertards we ride!
Live Chart of Monex buy/sell prices for silver eagles:
Europe’s currency is driving the demand in gold with some in Greece paying over $1,700 for coins from the government and over that for gold coins on the black market due to the shortage of coins sold by the government.
In the first four months of 2010, the Greek central bank sold more than 50,000 sovereigns at its main downtown Athens office. Bank officials estimate that at least 100,000 other coins [...]