Huang Guangyu, the founder and still-largest shareholder of the electronics retailer Gome, was tried last week on bribery and insider trading charges.

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Gome and Suning, the two biggest electronics chains, offer discounts online.

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Gome Electrical Appliances Holding's jumped 2.3% in Hong Kong despite the electronics retailer announcing that it had swung to a net loss in 2012.

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