New Delhi, Aug. 31 -- Sometimes, stocks get everything they need-and even though the market barely moved at all, this may have been one of those weeks.

Yes, the S&P 500 rose by just 0.5%, and is still just flat over the past three weeks. But if the index is going to add to the stellar 22% rally it's built over the past five months, this week showed us how.

It starts with Nvidia, which, well, Nvidia'ed. This is a company that grew sales by 106% year-over-year, but still held its gross margin at 75%. Management expects the strong revenue growth to continue into next year, forecasting a 70% rise in the fiscal year starting in late January, well ahead of investors' expectations. The stock jumped 9% on Thursday, the first trading day after t...