Gold price: biggest tumble in 30 years

Gold price falls $140 – 9 percent – in a single day. Here are four reasons the two-year decline in the gold price is accelerating. 

The shine has come off the gold market.

The price of gold logged its biggest one-day decline in more than 30 years on Monday, tumbling $140.30, or 9 percent, to $1,361. While gold has been gradually falling since hitting a peak of $1,900 in August 2011, the sell-off accelerated late last week.

Before the drop, gold had climbed every year since 2001, as investors bought the metal both as protection against inflation and as a so-called safe haven. The precious metal peaked as lawmakers wrangled over raising the debt ceiling in the summer of 2011 and threatened to push the U.S. into default.

But a slowdown in inflation, combined with speculation the Federal Reserve is considering winding down its stimulus program, prompted investors to sell Friday. Reports that Cyprus may sell some of its gold reserves to pay off its debts, following its bailout, also rattled the market. The selling then intensified Monday as speculators dumped their holdings.

Here's why the gold price is falling and what the decline says about the economy:

INFLATION REMAINS LOW

Investors bought gold because they were afraid that inflation would rise too fast as a result of the Fed's effort to stimulate growth by driving down interest rates through purchases of government bonds. The higher cost of goods would erode the purchasing power of dollars. So far, though, inflation has remained under control, even as the economy has improved. In fact, the value of the dollar has risen recently relative to other major currencies. That makes gold a less attractive investment.

FEAR FACTOR EASES

Investors also buy gold as a safe haven, a kind of insurance when they are worried about the possibility of some kind of a financial collapse. While there has been a lot to worry about over the last six years — the financial crisis, the threat of a U.S. default, meltdown in Europe — none of those events have led to financial Armageddon.

That fear factor has dissipated after central bankers around the world have bailed out one economy after the other.

"Gold is an insurance asset for when things go very wrong," says Nicholas Brooks, head of research and investment strategy at etf securities. "It's just that people don't feel the need for insurance right now."

STOCKS ARE RISING

Even with Monday's stock market drop, stocks have surged this year. Investors are optimism that the U.S. economy is poised to decisively pull out of its slump following the Great Recession. That's pushed the Dow Jones industrial average and the Standard & Poor's 500 index to record levels.

The Dow is up 11 percent this year. Before the big sell-off, gold was down almost seven percent.

"In this world of hot money, 'what have you done for me lately,' people have lost patience. Especially when the Dow started making new highs, they started thinking, 'Why am I in gold? I'm missing all the action,'" says Peter Schiff, CEO of Euro Pacific Capital.

INTEREST RATES COULD RISE

The Fed has started contemplating ratcheting back its economic stimulus. If the economy continues to improve, the Fed may even raise interest rates to keep the economy from overheating, pushing up the cost of goods too much.

Holding gold makes sense when interest rates are close to zero, as they are now. That's because your money isn't earning anything in your bank account. If your money is earning a return on deposit, the attraction of gold fades.

AP Business Writers Bernard Condon and Christina Rexrode contributed to this report.