Its shares have lost almost a third of their value since their peak in November last year.

BBC: Bank of China profits jump 30%

During the meeting Mr Cook said he sympathised with shareholders who found Apple's recent stock-price performance a "disappointment", after the iPhone maker lost around a third of its market value since September's peak.

CNN: Apple shareholders in protest vote on pay

They have now halved in value, after a fivefold rise between 1995 and their 2007 peak.

ECONOMIST: An era of frothiness is over

In a 20-year period, Cape ostrich feathers tripled in value, and at their peak their price per pound was almost equal that of diamonds--in hindsight, a sure sign of a bubble economy.

FORBES: The Ostrich Feather Crisis

That was just the start of a decline that saw the U.S. stock market lose 90 per cent of its peak value in 3 years.

BBC: More

Silver dropped more than 20% in value in about a week and, thus far, the price remains deeply below the peak.

FORBES: A Flash Crash Is Not A Crash

That pushed the market-value component of the index to a two-year high of 855.6 (the actual peak was on Jan. 28 at 856.3).

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Although prices have already fallen by 23% from their peak, they remain well above fair value and the dire state of the Spanish economy, where a quarter of the workforce is unemployed, suggests that prices will keep diving.

ECONOMIST: An era of frothiness is over