** Shares of oilfield service provider RPC RES.N tumble 19.03% to $5.36 after Q4 results

** Co posts Q4 adj. net income of $9.40 million, below analysts' average estimate of $13.06 million - data compiled by LSEG

** Reports Q4 revenue of $425.78 million, missing analysts' average estimate of $426.46 million

** Co's revenue declines due to holiday slowdowns and increased wireline expenses

** Of the six analysts tracking the stock, one rates it "buy", four "hold" and one "sell"; their median PT is $6 - LSEG-compiled data

** Including session's move, RPC declined 14.05% over the last year