Mednax is trading 8.11% lower at $26.50 in pre-market; no company announcement or news in available coverage clearly explains the decline. - Pediatrix Medical Group is scheduled to report third-quarter results before the market opens on October 29, with its conference call at 9:00 a.m. ET. The earnings preview does not identify a direct reason for the October 28 drop. - Shares had closed at $28.84 on October 27.