March 23 (Bloomberg) -- Nikkei 225 falls 1%. Topix drops 0.9%, led by brokerages. Volume 29% below 10-day avg. in first 39 mins. of trading.
Gainers: *Fuji Electric +2.3%; wins biomass equipment order in U.S., Nikkei reports *Pronexus +5.8%; raises dividend forecast to 9 yen from 8 yen *Toko +19%; to sell CB, shares to Murata Manufacturing to raise as much as 3.4b yen *Tokyo Electric Power +2.8%; utility to seek up to 900b yen, Asahi reports minutes before market close yesterday *Tokyo Dome gains 1.9%; PT raised to 330 yen from 240 yen at Mitsubishi UFJ Morgan Stanley
Decliners: *Dai-ichi Life Insurance -3.3%; heads for 5.9% drop on week, first weekly loss in 8 weeks *Nomura Holdings -2.6%; starts internal investigation of whether it was source of confidential information used for alleged insider trading by Chuo Mitsui Asset Trust, Nikkei reports
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