5 Steps Of A Bubble

During this phase, caution is thrown to the wind, as asset prices skyrocket. The "greater fool" theory plays out everywhere. Valuations reach extreme levels during this phase. For example, at the peak of the Japanese real estate bubble in 1989, land in Tokyo sold for as much as $139,000 per square foot, or more than 350-times the value of Manhattan property. After the bubble burst, real estate lost approximately 80% of its inflated value, while stock prices declined by 70%. Similarly, at the height of the internet bubble in March, 2000, the combined value of all technology stocks on the Nasdaq was higher than the GDP of most nations.

In the panic stage, asset prices reverse course and descend as rapidly as they had ascended. Investors and speculators, faced with margin calls and plunging values of their holdings, now want to liquidate them at any price. As supply overwhelms demand, asset prices slide sharply. One of the most vivid examples of global panic in financial markets occurred in October 2008, weeks after Lehman Brothers declared bankruptcy and Fannie Mae, Freddie Mac and AIG almost collapsed. The S&P 500 plunged almost 17% that month, its ninth-worst monthly performance. In that single month, global equity markets lost a staggering $9.3 trillion of 22% of their combined market capitalization.