Aug 8 (Reuters) - Nikkei:
* JAPAN ANTITRUST WATCHDOG BEGINS PRICE-FIXING PROBE INTO 4 INSURERS - NIKKEI
* JAPAN FAIR TRADE COMMISSION LAUNCHED VOLUNTARY INVESTIGATION INTO 4 MAJOR CASUALTY INSURERS ACCUSED OF COLLUDING ON PREMIUMS FOR CORPORATE CLIENTS - NIKKEI
* TOKIO MARINE & NICHIDO FIRE INSURANCE, MITSUI SUMITOMO INSURANCE, SOMPO JAPAN INSURANCE AND AIOI NISSAY DOWA INSURANCE NOTIFIED OF PROBE - NIKKEI
* PROBE WILL INITIALLY FOCUS ON INSURANCE POLICIES SOLD TO RAILWAY OPERATOR TOKYU AND TO SENDAI AIRPORT- NIKKEI
* PRICE-FIXING ALLEGATIONS ALSO MADE REGARDING POLICIES SOLD TO OIL REFINER ENEOS, NARITA INTERNATIONAL AIRPORT, EAST JAPAN RAILWAY AND MORE - NIKKEI
