Here are four stable blue-chip stocks to buy for today’s volatile market: Ticker Company Current Price AXP American Express Company $154.42 WMT Walmart Inc. $121.70 MSFT Microsoft Corporation $252.99 MCD McDonald’s Corporation $237.38 American Express (AXP) Source: Shutterstock New York-based American Express Company (NYSE:AXP) has been a going concern since 1850. Walmart (WMT) Source: Jonathan Weiss / Shutterstock.com The world’s biggest retailer is struggling right now with supply chain issues, inflation, and wage growth. But make no mistake, Walmart Inc. (NYSE:WMT) remains a great long-term investment.