First American Financial Corp.: The Santa Ana provider of real estate financial services said its profit for 1994 was $18.9 million, or $1.66 a share. That compares with profit of $66.3 million, or $5.84 a share, for 1993, which included a tax benefit of $4.2 million from an accounting change. Revenue totaled $1.4 billion for both years. For the fourth quarter, the company reported a net loss of $2.9 million, or 25 cents a share, contrasted with profit of $20.5 million, or $1.80 a share, for the corresponding 1993 quarter. Quarterly revenue declined to $300.1 million from $409.2 million.