SHENZHEN -- Nam Tai Electronics swung to a second-quarter net loss of $31.9 million despite a big jump in sales. For the period ended June 30, the contract electronics manufacturer said net sales were up 64% to $167.9 million.

KUNSHAN, CHINA-- Foxconn said allegations that its has polluted a major river in China are false, insisting that its printed circuit board plants here meet all local laws and regulations. The denial comes in response to a report released last week by the Institute of Public & Environmental Affairs and other nonprofit organizations that accuses Foxconn of dumping wastewater containing high levels of heavy metals.

HONG KONG – Researchers here have reportedly shown that printed circuit boards can be ground into powder that adsorbs toxic heavy metals in water, according to published reports.

MINNEAPOLIS -- CyberOptics swung to a second-quarter net loss of $1.2 million, down from net income of $143,000 a year ago. The net loss improved 43% from a loss of $2.1 million in the March quarter.