Stock Market Today: Dow Jones, S&P 500 Sinks On Russian Invasion, Escalating Tensions; First Horizon (FHN) Surges On Acquisition News

Escalating sanctions on Russia amid ongoing conflict in Ukraine stoked further uncertainty in the stock market today

Stock Market Today: Dow Jones, S&P 500 Rebounds As Investors Assess The Russia-Ukraine Situation; Block (SQ) Stock Rises On Cash App Outlook

Stocks opened mixed today as investors weigh in on the ongoing conflict between Russia and Ukraine.