MACOM Technology surges after Q3 earnings beat

** Shares of semiconductor supplier MACOM Technology Solutions MTSI.O rise 8.7% to $286.58 in premarket trading

** MTSI posts Q3 revenue of $342.2 million, vs. estimates of $335.4 million - data compiled by LSEG

** Posts quarterly adjusted EPS of $1.4, vs. estimates of $1.35

** Expects Q4 revenue between $415 mln and $425 mln

** Thirteen of 16 brokerages rate the stock "buy" or higher, three "hold"; their median PT is $390

** As of last close, MTSI up 53.8% YTD