Oil-Stock Plunge Erases $17 Billion as Exxon Hits Four-Year Low

  • S&P 500 energy index falls to lowest since October 2011
  • Exxon Mobil on track for worst annual performance in 34 years

Aerial photograph of oil storage tanks in Cushing, Oklahoma.

Photographer: Daniel Acker/Bloomberg
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Oil and gas producers dropped to their lowest level in almost four years as collapsing markets in China heightened concern that demand will falter, aggravating a glut.

The index of 40 energy explorers, refiners and drillers on the Standard & Poor’s 500 lost $17 billion in value, sinking 5.2 percent Monday in New York to the lowest since October 2011. The slide extended Exxon Mobil Corp.’s year-to-date decline to 26 percent, putting the world’s biggest oil producer by market value on track for the poorest annual performance since at least 1981.