BUZZ-ARM: breaks out to all time high on Q1 earnings beat
** ARM breaks out to all time high, up 5.4 pct after reporting 24 pct rise in Q1 profits
** Q1 income 120.5 mln pounds v analyst expectations of 115 mln
** CFO talking up royalty growth also seen as positive
** Second top riser on Stoxx 600 and among most traded by average 30-day volumes, best day for stock since April 2013
(RM (LSE: RM.L - news) : alasdair.pal.thomsonreuters.com@reuters.net)