** Shares of Monster Beverage MNST.O rise about 5% premarket to $69.55
** MNST beats Q3 sales and profit estimates on strong demand for energy drinks, as well as sugar-free beverages
** Quarterly revenue of $2.02 billion beats estimates of $2.11 billion- LSEG
** Co reports Q3 EPS of 56 cents, topping estimates of 48 cents
** Higher pricing and supply chain optimization helping MNST's margins, Jefferies analysts say
** As of last close, stock up about 26% YTD
(Reporting by Chandni Shah in Bengaluru)
((Chandni.shah@thomsonreuters.com))