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Why will China’s market plunge?

Raney Geotechnics Inc., a U.S.-based company that develops and manufactures seismic equipment, said on Monday that it was slashing more than 5,000 jobs from its Seattle-based headquarters, cutting its workforce by about half.The layoffs come as China’s economy slows and many of its factories are closing.Raney, a unit of GE Capital Corp., has been working