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Major U.S. stock indexes were on track to close lower Wednesday afternoon, extending losses from a day earlier. Discouraging economic reports on manufacturing, jobs and construction spending weighed down the market, stoking investor concerns about corporate profits and global growth. Health care stocks were among the biggest decliners. Oil prices surged above $50 a barrel.
LAUSANNE, Switzerland (AP) — Negotiations over Iran's nuclear program appeared headed for double overtime on Wednesday, beset by competing claims after diplomats abandoned a March 31 deadline for the outline of a deal and agreed to press on.