BRIEF-FirstEnergy Nuclear Operating Co says Beaver Valley Power Station unit 2 returned to service on May 21
* Says Beaver Valley Power Station Unit 2 in Shippingport, Pa., returned to service on Sunday, May 21
May 1 Maple Leaf Green World Inc
* Maple leaf announces upsize to private placement financing and conditional approval from the TSX Venture Exchange
* Maple Leaf Green World Inc - company has increased its previously announced private placement to an offering of 13. 2 million units of company a price of $0.55 per unit
* Intends to use net proceeds from offering to advance Telkwa facility Source text for Eikon: Further company coverage:
CHICAGO, May 22 CHS Inc, the biggest U.S. agricultural cooperative, named a new chief executive on Monday, after suffering a sharp decline in income and confirming it was a creditor of a failing Brazilian commodities trader.
* Serinus energy inc.: sabria field in tunisia temporarily shut-in