** Memory chipmaker Micron Technology's MU.O stock up about 0.8% at $248.89 in afternoon trading

** Rosenblatt raises price target for Idaho-based firm to $300 from $250, citing tightening of supply for its Dynamic Random Access Memory nodes

** Brokerage also increases its estimates, says company is well-positioned to capitalize on rising memory prices

** "We continue recommending the MU shares while industry DRAM and NAND Flash supply growth is constrained," Rosenblatt says

** 40 of 45 analysts rate stock "buy" or higher and four "hold" and one "sell"; median PT is $200 - data compiled by LSEG

** Including session's moves, MU stock is up ~195.6% YTD

(Reporting by Anuj T in Bengaluru)

((anuj.t@thomsonreuters.com))