U.S. stock index futures turned lower on Wall Street on Wednesday as investors digest a mixed bag of earnings releases, economic data and Europe worries.
U.S. retail sales fell 0.3 percent in September, slightly more than the expected 0.2 percent decline. The producer price index for September fell 0.1 percent as opposed to expectations of a 0.1 percent gain.
Futures lost about 1 percent as investors were unnerved by word of another Ebola case diagnosed in the U.S., along with a more than 7 percent drop in the Greek markets that drove a flight to safety in German bunds, with the 10-year bond trading below 0.8 percent.
Meanwhile, German Bund yields fell to a record low on Wednesday as worries over a deteriorating euro zone economic outlook, fed by another credit rating blow for France, and "free falling" inflation expectations dominated the market.
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U.S. stocks mostly advanced on Tuesday with the S&P 500 and Nasdaq Composite halting their worst three-day rout since 2011 as investors considered a mixed set of earnings from JPMorgan Chase, Citigroup and Wells Fargo. Intel released positive after-the-bell results and shares of the company gained more than 2 percent in late trading.
The Dow Jones Industrial Average finished flat while the S&P 500 added 0.2 percent and the tech-heavy Nasdaq gained 0.3 percent. However, the S&P energy sector was dragged down 1 percent after oil prices dropped more than $3 a barrel during Tuesday's session—the biggest percentage drop since November 2012.