Jim Cramer's week ahead: Earnings from Nvidia, TJX and Walmart

CNBC's Jim Cramer on Friday highlighted the biggest events next week on Wall Street, pinpointing earnings reports from Nvidia, TJX and Walmart. And as postelection worries create an uncertain market landscape, he advised that investors proceed with caution."Look, I've told you that there are many pitfalls with individual stocks when it comes to Trump 2.0. Most of them are buying opportunities," he said. "But with stocks still up so much from a few months ago, you can't be too eager to buy the dips."On Monda ...