Today Gold and Silver are trading at negative prices. Gold is trading in the range of Rs. 27,500-27,600 and Silver may touch the levels of Rs. 56,000 in today's trading session. All base metals are trading on a negative note today. Support for April copper is seen at Rs.432 while resistance is seen at Rs.441. Crude oil is trading in the range of Rs. 5250-5300 today. We assume that all may trade at lower levels in today's trading session.