InVitro International: The Irvine developer of product irritation tests reported a loss of $1 million, or 17 cents a share, for its second fiscal quarter. That compared to a loss of $1.3 million, or 25 cents a share, for the same period a year earlier. Revenue for the three months ended March 31 declined 27%, to $344,276 from $468,603. For the first half of its fiscal year, the company lost $1.8 million, or 29 cents a share. That compared to a loss of $2.2 million, or 42 cents a share, for the same period a year earlier. Six-month revenue was $688,085, down from $732,739.