From the Marketplace Datebook, here’s a look at what’s coming up Thursday:

• 46 years ago Martin Luther King Jr. gave his famous “Mountaintop” speech in Memphis, Tenn. He was assassinated the next day.
• In Washington, the Commerce Department reports on international trade for February.
• The Senate Foreign Relations Committee receives a closed briefing on Russia.
• Actor Marlon Brando was born on April 3, 1924. He would have been 90.
• And some folks observe National Find a Rainbow Day. Don’t want to go outside? Just dig in your box of crayons.