Stocks were mixed in midday trading Tuesday as geopolitical tensions weighed on sentiment, while investors digested earnings reports from major retailers and awaited Nvidia's results tomorrow.

The artificial intelligence (AI) server maker took two important steps on the road to recovery, but the journey isn't over.

The Dow Jones Industrial Average and other major indexes retreated Tuesday as the Russia-Ukraine conflict heated up. Super Micro Computer rallied after taking measures to avoid getting delisted.