Online brokerage kabu.com Securities Co. said Friday its unconsolidated operating revenue in the April-September period shot up 52.6 percent from a year earlier to 8.21 billion yen on robust stock trading.

The Mitsubishi UFJ Financial Group Inc. unit also said its net profit for the first half of fiscal 2005 rose 21.5 percent to 2.55 billion yen. Pretax profit soared 75.0 percent to 4.50 billion yen.

The firm has no plans to pay dividends for fiscal 2005.

Trading volume on the Tokyo Stock Exchange expanded fast in August and September as the Nikkei Stock Average rose above a long-standing range between 11,000 and 12,000.