ADVANC : SET posted "H" sign on ADVANC The Stock Exchange of Thailand (SET) posted "H" (Halt) sign on ADVANC's securities in the first trading session of July 31, 1996 at 9.55 a.m. The reason of "H" sign posting is that the material information has not been disclosed to the public through the exchange, and the SET has asked and, now, is waiting for its disclosure from the company.