Computer Sciences Corp. said fiscal second-quarter profit rose 24% as overseas sales increased by more than a third. The El Segundo-based company said profit from operations rose to $49.3 million, or 63 cents a share, from net income of $39.6 million, or 51 cents, a year earlier. . . . Woodland Hills-based WellPoint Health Networks said its third-quarter earnings fell a less-than-expected 13% to $45.1 million, or 68 cents a share, from $51.8 million, or 78 cents, a year earlier. . . . Los Angeles-based Sport Chalet reported second-quarter net income of $197,000, or 3 cents per share, contrasted with a loss of $779,000, or 12 cents, last year.