** Shares of specialty chemicals maker 20 Microns NSE:20MICRONS rise 16% to 260.93 rupees
** Shares of Cafe Coffee Day chain operator Coffee Day Enterprises NSE:COFFEEDAY climb ~10% to 39.96 rupees
** Chennai-based investor Dolly Khanna has a 1.5% stake in CODE and nearly 2% in MICR, according to a shareholding pattern update on Tuesday
** Khanna's name doesn't appear on CODE's shareholding data before June-quarter update
** Khanna holds a 1.7% stake in MICR, as of March quarter
** CODE stock trades at its highest level in nearly 10 months, while MICR on track for best day in over a year, if gains hold
** YTD, MICR up 22% and CODE up 76.6%