** Shares of Rainbow Children's Medicare Ltd RAIB.NS rise
as much as 4.4% to 996.60 rupees to a record high
** Hospital and clinic chain up for fourth straight session
** Four analysts covering the stock rate it "buy" on average
with a median PT of 925 rupees -- Refinitiv data
** Stock up 33% YTD at current levels; up over 24% in May
** More than 175,000 shares change hands by 12:20 p.m. IST,
around 80% their 30-day avg volume
(Reporting by Nandan Mandayam in Bengaluru)
((Nandan.Mandayam@thomsonreuters.com; Mobile: +91 9591011727;))