Investing.com — In a recent note to clients, Morgan Stanley analysts delved into the competitive landscape among leading membership-based retailers, focusing on Walmart+, Amazon Prime, and Costco (NASDAQ:). According to the report, Walmart+ continues to make strides with a membership base nearing record levels, bolstered by strategic initiatives like its 50% discount on memberships for Black Friday. Citing its Consumer Pulse survey, Morgan Stanley notes that Walmart+ saw approximately 23.8