Chris Horn: Nvidia successfully leverages a market frency

Nividia co-founder and chief executive Jensen Huang during the Hon Hai Tech Day in Taipei last October. Photograph: I-Hwa Cheng/Getty Images In a frothy market, the shrewd opportunist will sell soap and wands to blow bubbles. Turkish flower exporters capitalised on the 17th-century Dutch tulipmania; Lehman Brothers and other banks created "collateralised debt obligations" to fuel the housing boom in the mid-2000s, while simultaneously Cisco drove computer networking equipment to accelerate the internet bubble before the dotcom crash. Then there was the first Californian millionaire Sam Brannan, whose Waterford-born father Thomas had emigrated to Portland Maine in 1775. Learning of…