Brazilian steelmaker Usinas Siderurgicas de Minas Gerais SA (USIM3.BR, USIM5.BR, USNZY), or Usiminas, reported a second-quarter net loss of 87 million Brazilian reais ($42.87 million), reversing its year-earlier gain of BRL157 million, largely due to currency factors.

DUET Group (DUE.AU) said Tuesday that it will pay A$93 million to AMP Ltd. (AMP.AU) and Macquarie Group Ltd. (MQG.AU) to internalize the management of the electricity and gas distribution company.

The Government of Singapore Investment Corp. has reduced its exposure in developed markets and cut its holdings in equities and bonds, as global uncertainties continue to weigh on the sovereign-wealth fund's investment strategy.

The Spanish region of Andalusia isn't planning to request state aid from the central government as it expects to meet its 2012 deficit target of 1.5% of its gross domestic product, Cinco Dias reported in its Tuesday Internet edition.

Caltex Australia Ltd. (CTX.AU) said Tuesday it will raise A$300 million from a hybrid note issue and shrink the proportion of profit it pays in dividends to help fund the closure of its Kurnell oil refinery in Sydney.

The U.S. Commerce Department again responded favorably Monday to Whirlpool Corp.'s (WHR) request for relief from imported washing machines by setting antidumping duties on residential washers from South Korea and Mexico.

Brazilian steelmaker Usinas Siderurgicas de Minas Gerais SA (USZNY, USIM5.BR), or Usiminas, reported a second-quarter net loss of 87 million Brazilian reais ($42.87 million), the company said Monday.

Humana Inc. (HUM) reported weaker second-quarter earnings, pressured by a recent legal settlement, while cutting its full-year forecast because of high costs for both new and existing customers on Medicare plans.

Struggling grocery store operator Supervalu Inc. (SVU) dismissed Chief Executive Craig R.

The Government of Singapore Investment Corp. said Tuesday its average rate of return for the fiscal year ended in March was unchanged from the previous year, but warned investment returns are likely to remain low given uncertainty surrounding the global economy.