Synopsys (NASDAQ: SNPS) stock surged Monday after Nvidia (NASDAQ: NVDA) unveiled a sweeping strategic partnership that includes a $2 billion investment in the Silicon Valley software company.The announcement sparked an immediate rally, lifting Synopsys shares to $438.49 and driving premarket trading even higher to $450, a 7.65% gain before the opening bell.SNPS five-day stock price chart. Source: Google FinanceUnder the deal, Nvidia will acquire Synopsys common stock at $414.79 per share as part of a multi- ...