ProsoftTraining.com (POSO) was down 43.9% in midafternoon after the company said late Tuesday it expects third-quarter revenue between $7 million and $8 million, 35% to 55% below the same period last year. The Internet training company, which was trading as high as 15 in January, was down to 52-week low of 2.84. The stock was downgraded by Needham & Co today to hold from buy.