Collectibles company L.L. Knickerbocker Co. Inc. in Lake Forest reported a net loss $1.2 million, or 2 cents a share, for the first quarter, compared with a loss of $1.4 million, or 3 cents a share, a year earlier. Sales declined 25% to $5.4 million . . .
Nexell Therapeutics Inc., an Irvine biotechnology company, posted a loss $6.1 million, or 39 cents a share, for the first quarter, compared with a net loss of $7.7 million, or 51 cents a share, for the first quarter of 2000. Revenue was unchanged at $4.8 million . . .

