FILE - In this Wednesday, Oct. 8, 2014, file photo, a street sign for Wall Street hangs near the New York Stock Exchange. Weak Chinese manufacturing weighed on Asian stocks Monday, Aug. 3, 2015, but European markets mostly rose, shrugging off a 22 percent plunge in the Athens benchmark which reopened after a five-week shutdown. (AP Photo/Mark Lennihan, File)

FILE - In this Wednesday, Oct. 8, 2014, file photo, a street sign for Wall Street hangs near the New York Stock Exchange. Weak Chinese manufacturing weighed on Asian stocks Monday, Aug. 3, 2015, but European markets mostly rose, shrugging off a 22 ... percent plunge in the Athens benchmark which reopened after a five-week shutdown. (AP Photo/Mark Lennihan, File) (The Associated Press)

US stocks edge lower, led by declines in energy shares as oil price falls; Tyson Foods slumps

International Investing Associated Press

U.S. stocks opened lower as energy stocks dropped following another decline in the price of crude. Investors were also watching the latest earnings releases. Tyson Foods slumped after cutting its earnings outlook for the year.

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KEEPING SCORE: The Standard & Poor's 500 index was little changed at 2,102 as of 10:01 a.m. Eastern. The Dow Jones industrial average dropped 50 points, or 0.3 percent, to 17,640. The Nasdaq composite rose nine points, or 0.2 percent, 5,137.

ENERGY: Benchmark U.S. crude shed $1.02 to $46.09 a barrel on the New York Mercantile Exchange. The price of oil slumped 21 percent in July.

GREEK COLLAPSE: Greece's stock market sank 17 percent as it reopened from a month-long shutdown brought on by the near collapse of the country's financial system during its high-wire bailout negotiations.

A survey published Monday showed the damage caused to the Greek economy in July by the bank closures, money controls and uncertainty over the country's future.

Financial information company Markit said its gauge of manufacturing activity in Greece plummeted in July to the lowest reading ever recorded, despite improvements across the rest of the 19-country eurozone. A separate survey showed that business and consumer confidence fell for a fifth consecutive month in July to its worst level since October 2012.

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EUROPE'S DAY: European stocks mostly rose as investors shrugged off the plunge in Greece's market. Asian shares closed lower on evidence of weakness in Chinese manufacturing. Germany's DAX rose 1.1 percent and France's CAC 40 gained 0.6 percent. Britain's FTSE 100 edged down 0.2 percent.

MANUFACTURING: U.S. factories were a little less busy last month. The Institute of Purchasing Managers' manufacturing index slipped to 52.7 last month from 53.5 in June. Economists had expected the index to remain unchanged. Any reading above 50 indicates growth.

CURRENCIES AND BONDS: The dollar strengthened to 124 yen from 123.91 yen Friday. The euro inched down to $1.0979 from $1.1010. Bond prices rose. The yield on the 10-year benchmark Treasury note fell to 2.17 percent from 2.18 percent Friday.