These ten large-cap stocks were the best performers in the last week. Are they in your portfolio? Rivian Automotive, Inc. (NASDAQ:RIVN) shares surged 30.04%  in the last week following a report suggesting the company has simplified its output, cut costs and announced plans for a joint venture with Volkswagen. Carnival Plc (NYSE:CUK) stock gained 17.78% on continued strength following better-than-expected Q2 earnings. FedEx Corporation (NYSE:FDX) stock soared 17.51% in the last week on better-than-expected Q4 financial results and guidance. Also, the company announced ...