NEW YORK (TheStreet) -- U.S. stock futures were weak Friday, with the S&P 500 poised for its worst decline since August when the benchmark index fell 3.3%. The index is now down 2.9% in January.

This, as shares of (AMZN) - Get Report, Wal-Mart (WMT) - Get Report, MasterCard (MA) - Get Report, Mattel (MAT) - Get Report and Chevron (CVX) - Get Report all declined after their quarterly results and as European market slumped.

  • S&P 500 futures were down 16 points, or 23.19 points below fair value, to 1,765.25. Dow Jones Industrial Average futures were plummeting 156 points, or 205.61 points below fair value, to 15,577. Futures for the Nasdaq were down 16.2 points, or 39.26 points below fair value, to 3,485.8.
  • was plunging 8.19% to $370.04 in premarket trading Friday after the online retailer's fourth-quarter earnings and revenue missed Wall Street estimates.
  • Wal-Mart was down 0.94% to $74.05 after cutting its fourth-quarter outlook.
  • MasterCard was tumbling 5.67% to $75 after missing fourth-quarter earnings per share estimates by three cents at 57 cents a share upon higher expenses.
  • Mattel was dropping 8.51% to $39.35 after missing quarterly expectations by 13 cents at $1.07 a share.
  • Chevron was falling 0.73% to $115.60 after posting earnings per share in line with estimates on worse than expected revenue.
  • The FTSE 100 was down 1.5% and the DAX in Germany was retreating 1.91% as shares of European companies tumbled following their earnings releases. Furthermore, data showed a cooling of the eurozone inflation rate to a record low in January and a still high jobless rate for the region in December. International markets were also under pressure from lingering emerging market concerns.
  • December personal income came in flat, or less than expected. Personal spending rose more than forecast by 0.4%. The fourth-quarter employment cost index rose more than estimate by 0.5%. The data didn't have much of an impact on stock futures.
  • The January Chicago Purchasing Managers Index will arrive at 9:45 a.m., followed by the final University of Michigan consumer sentiment index at 9:55 a.m.

-- Written by Andrea Tse in New York.

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