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___ Why they fight: US and China brawl over high technology WASHINGTON (AP) — To understand why the United States and China stand on the brink of a trade war, consider the near-death experience of American Superconductor Corp.

US demands Glencore documents to check on corruption

Shares in commodities trading company Glencore have plunged after it was ordered to hand over documents and records to the U.S. Department of Justice for its compliance with corruption and money laundering rules.

Asian markets tumble as China-US trade tensions rise

U.S. stocks slid in early trading Monday, weighed down by concerns over escalating global trade tensions, weak economic data from Asia and an election result in Mexico that's likely to complicate talks on renegotiating the NAFTA trade agreement.