BY THE NUMBERS

U.S. stock futures were pointing to a lower open on Wall Street. The first trading day of September on Tuesday got off to a similar negative start, but the Dow, S&P 500, and Nasdaq all finished well off their session lows. (CNBC)

Trade concerns were hampering stocks, as the U.S. and Canada resume talks today after failing on Friday to bring them into the U.S.-Mexico deal. Canadian Prime Minister Justin Trudeau said Tuesday, "No NAFTA is better than a bad NAFTA deal for Canadians." (Reuters)

Dow stock Caterpillar (CAT) is rated buy in resumed coverage of the machinery sector at Deutsche Bank, which cites compelling valuations and favorable credit cycle trends. (CNBC)