** Shares of India's Premier Explosives NSE:PREMEXPLN drop 6.3% to 581 rupees
** Stock on track for a third consecutive session of losses
** Co receives inquiry from Securities and Exchange Board of India (SEBI) on November 3 about suspected insider trading
** Co says it will respond to SEBI within the prescribed timeline
** YTD, PRMR stock has climbed 11%