When Greece announced that its banks would be closed June 29, the U.S. stock market responded with the S&P 500 Index falling 43 points or about 2 percent. Not coincidently, the price of gold bullion rose as stocks fell. It's a regular occurrence.
"All that glitters is not gold," wrote William Shakespeare in The Merchant of Venice. The quotation is meant as a warning that just because something is bright and flashy isn't a measure of real worth.