The firm earned $1.6 billion, or $3.35 a share, in the quarter.
The firm earned $577 million, or $1.06 a share, in the second quarter of 2001.
The firm earned 26.2 billion yen ($218 million), 151 percent more than in the period a year earlier.
The firm earned $56 million on the July deal alone.
In the 1986 second quarter, the firm earned $60.4 million, also on revenues of $1.1 billion.
In the first six months of this year, the firm has already earned $81.9 million, for a 10 percent return.
Last year, the firm earned $29.5 million on $1.1 billion in revenue.
The firm earned $51.7 million in 1990 on revenues of $1.5 billion.
The firm earned $352.6 million in the fourth quarter, up 22.3 percent from the period a year ago.
The firm earned $577 million in the period a year earlier.