Nvidia delivered another quarter of extraordinary growth this week, but the first reaction on Wall Street offered a reminder of how difficult it has become for the world’s leading AI chipmaker to surprise investors. Revenue reached $96.2 billion for Nvidia’s fiscal second quarter, more than double the level from a year earlier and comfortably ahead of analyst expectations. Data center revenue, driven by the enormous computing requirements of artificial intelligence, climbed 117% to $89 billion. The company expects the momentum to continue. Nvidia forecast approximately $108 billion in revenue for its current quarter, plus or minus 2%, above the roughly $105.2 billion average estimate compiled by Bloomberg. …