BUZZ-Balfour Beatty: reverses after numbers to its best day since November

** Balfour Beatty (Other OTC: BAFBF - news) catches some traders by surprise, rising 6.2 pct after results despite reporting a full-year loss

** Called down 3 pct in pre-market by two brokers, citing earnings miss and divi cut

** Shares (Berlin: DI6.BE - news) down as much as 2.9 pct in early trade but reverse to trade up as much as 6.8 pct before retreating slightly

** Liberum says impairments of £21 mln lower than expected, Berenberg notes better than expected pension and net debt numbers, says £118 mln provision in line

** Algo-driven VWAP buyer seen overnight, with multiple buyers seen after the open, according to traders

** Stock has strongly held 225p support level in the last four trading days. Chart: http://link.reuters.com/raj44w

** Possible short squeeze also cited - 7.6 pct shares outstanding on loan, among top 10 pct on FTSE 250, according to Markit (NasdaqGS: MRKT - news)

(RM (LSE: RM.L - news) : alasdair.pal.thomsonreuters.com@reuters.net)