Global shares were mixed as sentiment suffered on a range of factors, from uncertainty over U.S. President Donald Trump’s tariff policy and geopolitical tensions to renewed worries about the upheaval to the economy from AI.

After the Supreme Court ruled Trump’s emergency tariffs were unlawful on Friday, the President announced a 10-per-cent across-the-board levy, which came into effect on Tuesday – rather than the 15 per cent he promised over the weekend.

Wall Street futures climbed higher after all three major U.S. stock indexed ended lower on Monday. Dow futures rose 0.27 per cent, S&P 500 futures added 0.25 per cent, and Nasdaq 100 futures gained 0.36 per cent.

TSX futures slipped 0.17 per cent.

Canada’s largest banks are expected to report another quarter of strong earnings, with Bank of Nova Scotia to kick off before the bell. Investors are also getting results from Exchange Income Corp.

On Wall Street, markets are watching earnings from Home Depot Inc. and HP Inc.

Overseas, the pan-European STOXX 600 was down 0.072 per cent in morning trading. Britain’s FTSE 100 gave back 0.2 per cent, Germany’s DAX fell 0.11 per cent and France’s CAC 40 rose 0.033 per cent.

In Asia, Japan’s Nikkei closed 0.87 per cent higher, while Hong Kong’s Hang Seng fell 1.82 per cent.

Oil prices gained, nearing seven-month highs as traders assessed supply concerns with another round of U.S.-Iran nuclear talks scheduled for Thursday.

Brent crude futures were up 0.03 per cent, while the U.S. West Texas Intermediate crude was up 0.2 per cent.

In other commodities, spot gold dropped 1.1 per cent to US$5,172.11 per ounce, snapping a four-session winning streak. U.S. gold futures for April delivery were down 0.6 per cent at US$5,191.50.

The Canadian dollar weakened against its U.S. counterpart.

The day range on the loonie was 72.89 US cents to 73.04 US cents in early trading. The Canadian dollar was down about 0.95 per cent against the greenback over the past month.

The U.S. dollar index, which weighs the greenback against a group of currencies, rose 0.11 per cent to 97.74.

The euro advanced 0.02 per cent to US$1.1788. The British pound climbed 0.01 per cent to US$1.3492.

In bonds, the yield on the U.S. 10-year note was last up at 4.038 per cent.

8:15 a.m. ET: U.S. ADP National Employment Report Estimate for Feb. 7.

9 a.m. ET: U.S. S&P Cotality Case-Shiller Home Price Index for December. Analyst estimate is a rise of 0.3 per cent from November and up 1.2 per cent year-over-year.

9 a.m. ET: U.S. FHFA House Price Index for December. Analyst estimate is a rise of 0.3 per cent from November and up 1.8 per cent year-over-year.

10 a.m. ET: U.S. wholesale trade for December.

10 a.m. ET: U.S. Conference Board Consumer Confidence Index for February.

With Reuters and The Canadian Press