** Shares of Rama Phosphates NSE:RAMAPHO jump 9.2% to 172 rupees, marks biggest intraday percentage gain since April 15
** Phosphatic fertilizer maker posts 460% y/y rise in September-quarter profit; rev from ops rises 17.2% y/y
** Stock sees busiest trading session ever, trading volume at nearly 16.2x 30-day avg
** Stock up 79.8% YTD