Nichols Institute said it expects revenues for...

Nichols Institute said it expects revenues for the quarter ending Aug. 31 to be about 10% lower than its initial expectations, largely because of a softness in the medical testing services industry. Earnings for the period, the company said, should “approximately break even.” Several analysts previously had said that they expected the company to post earnings of about 50 cents a share in the third and fourth quarters. The San Juan Capistrano company performs esoteric medical tests and manufactures diagnostic test kits.