Katherine Sullivan

Here's your Closing Bell Brief for Tuesday, March 31st.

I'm Katherine Sullivan for The Wall Street Journal.

U.S.

stocks surged today to reach their largest one-day gains in 10 months.

The Nasdaq led the rally with a rise of 3.8%.

The S&P 500 jumped 2.9%, while the Dow advanced 2.5%.

Here's your Closing Bell Brief for Monday, March 30.

I'm Katherine Sullivan for The Wall Street Journal.

U.S.

stocks finished mostly lower today as geopolitical tensions drove oil prices higher.

The Nasdaq fell 0.7 percent, while the S&P 500 slipped 0.4 percent.

The Dow managed a slight gain of 0.1 percent.

Investors weighed a rise in crude prices against falling bond yields.

Benchmark U.S.

oil futures settled above $100 for the first time since 2022.

This surge followed news of a potential military operation regarding Iran.

Among individual companies, Alcoa shares jumped over 8 percent today.

Investors moved into the aluminum producer as a potential beneficiary of supply disruptions, following reports of Iranian attacks on its competitors.

Cisco shares slumped 15% during the session.

The move followed the company's $29 billion deal to buy family-owned Jethro Restaurant Depot.