In trading on Wednesday, the SPDR S&P Biotech ETF ( XBI ) is outperforming other ETFs, up about 1.7% on the day. Components of that ETF showing particular strength include shares of Vanda Pharmaceuticals ( VNDA ), up about 24.4% and shares of Mannkind ( MNKD ), up about 10% on the day.
And underperforming other ETFs today is the SPDR S&P China ETF ( GXC ), off about 0.7% in Wednesday afternoon trading. Among components of that ETF with the weakest showing on Wednesday were shares of Jinkosolar Holdings ( JKS ), lower by about 4.5%, and shares of Yingli Green Energy Holding (YGE), lower by about 2.7% on the day.
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