The threat of nuclear war seems higher than it has in ages, but the stock market wants what wants—and it wants to go higher. The S&P 500 rose more than 0.5% on Thursday and is less than a percentage point away from adding to the more than 50 record highs its hit this year.

Nvidia reports earnings after the close. Forecasts are bullish, but commentators warn that there's little room for error with the stock at record levels.

Worries about a nuclear escalation to the Russia-Ukraine war rattled markets, stealing focus from Nvidia and Walmart earnings.