Carl Quintanilla, Jim Cramer and David Faber discussed market reaction to the latest Russia-Ukraine war developments, which sent stocks down sharply around the globe and yields falling in a flight to quality. Russian President Vladimir Putin lowered his country's threshold for use of nuclear weapons. How should investors navigate this environment? Walmart was a bright spot: Shares moved higher on better-than-expected Q3 results and raised guidance heading into the holiday season. Also in focus; Justice Department antitrust officials reportedly want Google to sell its Chrome browser, Lowe's shares fall despite a Q3 beat. Squawk on the Street Disclaimer