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Good morning. My gym in New York City unexpectedly closed early for the winter storm yesterday, but I was able to get in a makeshift workout pushing a taxi out of a snowbank.

Stock futures are little changed this morning. The market is coming off a losing week.

Here are five key things investors need to know to start the trading day:

Tensions in Minnesota hit a fever pitch over the weekend after a federal immigration agent shot and killed Alex Pretti — a 37-year-old nurse and U.S. citizen — in Minneapolis. It is the second fatal shooting by federal agents in the city since the White House sent thousands of ICE agents to the state, despite opposition from local lawmakers.