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Chile’s IPSA Stock Index Posts World’s Biggest Monthly Drop

July 31 (Bloomberg) -- Chile’s benchmark IPSA posted its biggest monthly loss among the world’s major stock indexes amid tax concern and a tumble in the shares of fertilizer maker Soc. Quimica y Minera de Chile SA.

The IPSA fell 0.4 percent to 3,732.54 at the close in Santiago and retreated 7.4 percent in July, its biggest monthly drop since September 2011. SQM dropped 5.9 percent today to 14,816 pesos, extending its loss this month to 28 percent, the biggest since the financial crisis in 2008. The MSCI Emerging Markets Index climbed 0.8 percent in July.

“SQM made the fall steeper,” German Guerrero, a partner at brokerage MBI Inversiones, said in a telephone interview from Santiago. “Chile was already underperforming other emerging markets in July on concern that the next government will increase company taxes.”

SQM plunged 22 percent in two days as Russia’s OAO Uralkali said it would leave a supply agreement that limited the production of potash, a key fertilizer ingredient, and underpinned prices.

Former President Michelle Bachelet, who is running on a political platform that includes raising corporate taxes, won a primary election on June 30 to become the main opposition bloc’s presidential candidate. She is leading polls before the November elections.

To contact the reporter on this story: Eduardo Thomson in Santiago at

To contact the editor responsible for this story: Brendan Walsh at

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