The only other negative four-quarter stretch in the Nasdaq's five-decade history was in 1983-84, when the video game market crashed. watch nowOther than 2008, the only other year worse for the Nasdaq was 2000, when the dot-com bubble burst and the index sank 39%. Numerous companies went bankrupt, most notably crypto exchange FTX, which collapsed after reaching a $32 billion valuation earlier in the year. In total, Nasdaq companies have shed close to $9 trillion in value this year, according to FactSet. At its peak in 2000, Nasdaq companies were worth about $6.6 trillion in total, and proceeded to lose about $5 trillion of that by the time the market bottomed in October 2002.

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