Live Trump's steep tariffs led to quick fallout in markets and throughout the world. Here's the latest. NSC • SEC Gov • Feb 10, 2025 NSC : 10-K : Periodic Financial Reports Download Exhibits Related Filings from NSC 10-K EX-10.II EX-10.JJ EX-10.KK EX-19 EX-21 EX-23 EX-31.A EX-31.B EX-32