U.S. stock index futures slipped on Thursday as a rally fueled by the U.S.-China tariff truce appeared to ease, while UnitedHealth fell after a report of a DoJ investigation into the health insurer.

UnitedHealth Group shares rebounded modestly Wednesday following yesterday's crash, with analysts from UBS, Oppenheimer, and Morgan Stanley leaving their ratings unchanged after the health insurer pulled its outlook and announced its CEO had stepped down.

UnitedHealth shares are down about 5% after the Wall Street Journal reported the health insurer was under investigation by the Justice Department for fraud. The stock tu

UnitedHealth Group's stock has plunged nearly 50% due to the CEO resignation, withdrawal of guidance, and ongoing legal issues, creating a potential buying opportunity. The stock is deeply oversold with an RSI of 15, trading below both the 200-day and 50-day moving averages, indicating capitulation.

U.S. stock futures point to a lower open, with corporate news in focus.

Investors waited for fresh retail sales and wholesale inflation data to shed light on the health of the economy, with earnings from Walmart on deck.

An analyst reluctantly downgraded UnitedHealth’s stock, as the price plunge and a suspended full-year outlook was just too much to hold a bullish stance.

UnitedHealth Group (UNH) stock opened more than 2.5% higher on Wednesday following the previous session's staggering loss of 17.8%. The fallout from the largest private health insurer in the US suspending its guidance as it deals with higher than expected medical costs has sent shivers down the spines of institutional shareholders.