Stock futures are pointing to a mixed open for major U.S. indexes on Thursday as the market looks to rebound from yesterday's sell-off amid lingering concerns about tariffs and the outlook for the economy.

Shares of UnitedHealth took a historic tumble Thursday after the U.S.’ largest health insurer fell far short of Wall Street’s estimates in its quarterly earnings report, dragging down the blue chip Dow Jones Industrial Average with it.

US stock futures traded flat on the heels of a bruising day on Wall Street that underscored fears over the economic impact of President Trump's tariffs.