Chinese LED manufacturer MLS has become China’s second most valuable listed LED company within a week. The company’s shares have soared on the Chinese bourse for five consecutive days since Feb. 27, 2015 bringing its total market value to RMB 20.15 billion (US $3.21 billion).

Cree, a market leader in LED lighting, today announced revenue of $413.2 million for its second quarter of fiscal 2015, ended December 28, 2014, which is similar to revenue of $415.1 million reported for the second quarter of fiscal 2014. GAAP net income for the second quarter was $12.2 million, or $0.10 per diluted share, a decrease of 66% year-over-year compared to GAAP net income of $35.7 million, or $0.29 per diluted share, for the second quarter of fiscal 2014.

Nationstar’s Vice Chairmen Yao Hao Wang and Binhai Yu sold 11.55 million company shares, or equivalent to 2.68% company stock shares from Dec. 29-30, 2014, according to a report by Quanjing.com.

Rubicon Technology, Inc., a leading provider of sapphire substrates and products to the LED, semiconductor and optical markets, announced the commencement of an underwritten public offering of shares of its common stock by selling stockholders. The offering is subject to customary conditions and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering. 

Aixtron, a worldwide leading provider of deposition equipment to the semiconductor industry, has a number of stock option programs in place that grant employees the right to purchase AIXTRON shares under certain conditions.