Households earning more than $100,000 made up 75% of the company’s market share gains in the fiscal third quarter, Walmart CEO Doug McMillon said on the company’s earnings call in November.

Wall Street's main indexes fell on Thursday as investors awaited monetary policy clues from the Federal Reserve's annual economic symposium, while big-box retailer Walmart's quarterly results dampened sentiment.

Both Wall Street and the White House will be paying close attention to Fed Chair Jerome Powell’s high-profile speech Friday at the Fed’s annual economic symposium in Jackson Hole, Wyoming

Shares of Walmart are trading more than 5% lower following the world’s largest retailer’s quarterly earnings release. The results, announced this morning, triggered a selloff that pushed the stock below key technical support levels.

Beyranevand says it’s possible that a particular food product could become contaminated if it was raised or farmed somewhere with elevated levels of Cs-137. Either way, she believes the breaded frozen shrimp recall is “definitely a cause for concern” for the food industry-at-large.

The FDA detected Cesium-137, a radioactive isotope, in one shipment of Great Value frozen raw shrimp to Walmart. It said the affected shipment wasn’t sold.

Great Value brand frozen shrimp sold at Walmart stores in Ohio could be contaminated with Cesium-137, warns the FDA.