Also. . .

* Pasadena-based EarthLink Network Inc. reported a first-quarter net loss of $6.4 million, or 56 cents per diluted share, compared with $8.4 million, or 92 cents, a year ago.

* Los Angeles-based Argonaut Group Inc. reported first-quarter net income of $36.7 million, or $1.52 per diluted share, compared with $15.5 million, or 65 cents, a year ago.

* Manhattan Beach-based Alexander Haagen Properties Inc. said it acquired $114 million in unenclosed shopping centers in California and Washington state during the first quarter. The acquisitions included eight centers, totaling about 1.1 million square feet of leasable space.