From the Street.comHovnanian (HOV - Cramer's Take - Stockpickr - Rating) reported a second-quarter loss and painted a bleak picture about the ongoing real estate slowdown, saying the housing market has gotten worse after showing signs of improvement earlier this year.The Red Bank, N.J., homebuilder withdrew its full-year guidance because of the "increased uncertainty of housing market conditions."For the quarter ended April 30, Hovnanian recorded a loss of $30.7 million, or 49 cents a share, compared with a year-earlier profit of $101 million,...