** U.S.-listed shares of Mazor Robotics, an Israel-based maker of robotic systems used in surgery, down 4 pct at $38.42
** Brokerage Needham & Co notes that MZOR shares are up significantly this year (up 83 pct YTD through Monday) in part because of speculation that Medtronic Plc will buy MZOR
** Needham says “we think this is unlikely in the near term”
