The latest on how Trump’s tariffs continue to affect global markets. Follow along for live updates on the Dow, S&P 500 and Nasdaq.

Wall Street is mixed in quiet trading as markets appeared to shrug off a new U.S. tariff deadline for trading partners.

The ProShares UltraPro QQQ ETF is triple leveraged to the daily returns of the Nasdaq-100. The exchange-traded fund (ETF) has ...