STOCKS FALL, ALIBABA TUMBLES, YAHOO TANKS: Here's What You Need To Know (DIA, SPY, SPX, QQQ, BABA, YHOO, TSCDY)

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Markets are starting the week in the red.

First, the scoreboard:

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<li>Dow: 17,172.6, -107.0, (-0.6%)</li>

<li>S&P 500: 1,994.2, -16.1, (-0.8%)</li>

<li>Nasdaq: 4,527.6, -52.1, (-1.1%)</li>

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<span style="line-height: 22.5px;">And now, the top stories on Friday:</span>

<p style="padding-left: 30px;"><span style="line-height: 22.5px;">1. For traders, September 22 is one of those days with a notorious history. UBS's Art Cashin notes that September 22 marked various market highs in 1873, 1929, 1980, and even as recent as 2008. "If that's not enough, several of the astrological types claim their charts show [this] week is fertile ground for surprises - geo-political and otherwise," Cashin said. "Crazy? Maybe, but forewarned is forearmed."

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<p style="padding-left: 30px;"><span style="line-height: 22.5px;">2. Chinese e-commerce giant Alibaba exploded higher on Friday on its IPO. Today, the $230 billion company fell 4.4%. The biggest loser in the S&P 500 today was Yahoo, which is a big investor of Alibaba. Yahoo shares fell 5.5% today.

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<p style="padding-left: 30px;"><span style="line-height: 22.5px;">3. The pace of existing home sales unexpectedly fell 1.8% to an annualized rate of 5.05 million. Economists estimated sales would climb to a 5.20 million pace. "There was a marked decline in all-cash sales from investors," said Lawrence Yun, chief economist of the National Association of Realtors. "On the positive side, first-time buyers have a better chance of purchasing a home now that bidding wars are receding and supply constraints have significantly eased in many parts of the country."

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<p style="padding-left: 30px;"><span style="line-height: 22.5px;">4. The big news of the day arguable occured in London where UK-based grocery chain Tesco revealed a $408 million error in its first half profits. Tesco is the second biggest retailer in the world. The stock fell 11.6% today.

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<b>See Also:</b>

<ul><li>DOW, S&P 500 HIT NEW ALL-TIME HIGHS: Here's What You Need To Know</li><li>DOLLAR RALLIES AFTER THE FED: Here's What You Need To Know</li><li>DOW GAINS 100: Here's What You Need To Know</li></ul></group><group id="637653E0-A9A3-4F11-816C-3549A9D622A5" type="seoLabels"><seoLabels></seoLabels></