BUZZ-Ubiquiti jumps after robust Q4 results

** Shares of network infrastructure firm Ubiquiti UI.N rise 4.6% to $600 premarket

** Co posts Q4 adj. EPS of $4.73, up from $3.54 a year ago

** Reports Q4 revenue of $937.3, up around 23.5% over the year earlier

** Results driven by increase in revenue from Enterprise Technology platform, offsetting a decrease in revenues in Service Provider Technology platform - co

** UI also announces $1 per-share cash dividend

** As of last close, stock up 3.7% YTD