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Stock Market Today: S&P 500 Suffers Another Setback

Tickers in this article: CBS FB FOXA NFLX TWX ZNGA ^DJI ^GSPC ^IXIC

NEW YORK (TheStreet) -- The day started off with strong employment indicators getting overshadowed by a Russian strike against Western sanctions. That set the tone for a choppy trading session Thursday. The S&P 500 suffered a setback of about 4% from its recent high. A 5% correction would then take the index down about another 16 points to 1,893.

The S&P 500 gave up 0.56% to 1,909.57. The Dow Jones Industrial Average was down 0.46% to 16,368.27. The Nasdaq fell 0.46% to 4,334.97. The vast majority of broad market sectors were weak. Down over 1%, health care was the biggest loser, followed by consumer discretionary, basic materials, and energy.

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"We've entered a whole new level of geopolitical concerns that's creating growth worries for investors who would rather sell U.S. stocks today and ask questions later," said Andrew Wilkinson, chief market analyst at Interactive Brokers.

Wall Street's upbeat start was supported by a downtrend in U.S. jobless claims. But the mood quickly soured after Russia retaliated against Western trade sanctions by threatening to ban imports of food and agricultural products from Europe and the U.S. Pressures on the market intensified on news that President Obama was considering airstrikes against violent militants in Iraq who were targeting religious minorities.

European Central Bank President Mario Draghi said in a post-ECB press conference that geopolitical risks to the eurozone economy were rising and that the West's strained relations with Russia over Ukraine remains an area of uncertainty for the fragile eurozone economy.

CBS was flat at $56.91 in after-hours trading after reporting a profit of $439 million, or 76 cents per share, down from $472 million one year ago, but beating analysts' estimates of 72 cents per share. Zynga was dropping more than 7% to $2.71 after missing analysts' estimates for revenue in the second quarter.

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21st Century Fox reported on Wednesday better-than-expected fiscal fourth-quarter earnings a day after it called off its pursuit of rival media giant Time Warner . Shares of Fox surged 5.04% to $33.96.

Shares of Netflix were up 4.5% to $449.67 after it was reported that CEO Reed Hastings posted on Facebook that the company has beat Time Warner's HBO in subscriber revenue in the second quarter, adding that Netflix was "honored to be in the same league," according to CNBC. Time Warner shares were down 2.94% to $72.06.

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--By Andrea Tse in New York

Follow @AndreaTTse