Also. . .

* Shares of Chatsworth-based Capstone Turbine Corp. rose 56 cents to close at $28.31 on Nasdaq after stakeholder Fletcher Challenge Ltd. agreed to be acquired by oil companies Royal Dutch Shell Group and Houston-based Apache Corp. for $1.67 billion. Fletcher, New Zealand’s largest oil and gas company, owns nearly 10% of Capstone, which makes micro-turbines. As part of the buyout offer, Fletcher shareholders would be issued one Capstone share for every 70 shares of Fletcher, though they would have to wait at least six months to receive them.

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* More than 30,000 retailers and manufacturers from around the world are expected at the 21st annual Natural Products Expo West, which opens Thursday at the Anaheim Convention Center. The Commerce Department has sanctioned the event as part of its International Buyer Program, which connects foreign buyers with U.S. companies interested in exporting. The expo offers the country’s largest display of natural products--from supplements and foods to textiles and pet supplies. About 2,400 exhibits will showcase the latest innovations in the $28-billion natural-products industry.