Nvidia shares' 9% recovery Tuesday was the second-best day in terms of market cap added for any company ever, trailing only a record it set in July.

The market reaction proved particularly severe for Nvidia (NASDAQ: NVDA), with shares plummeting and erasing half a trillion in market cap at the time of this writing. To put this staggering figure in perspective,

Retail investors bought a record amount of Nvidia stock on Monday after concerns over a low-cost artificial intelligence model from Chinese startup DeepSeek stripped 17% off its shares, or $593 billion from its market value.