BUZZ-Electrocomponents: bottom of FTSE 250 after FY
** Electrocomponents (LSE: ECM.L - news) falls 4.4 pct, poised for biggest one-day drop since February & down at 2-wk lows
** Results beat, but uplift in estimates seen as unlikely - one trader cites this as catalyst for share price fall
** Headline PBT 80.1 mln pounds vs Jefferies est 77.9 mln pounds (broker flags cons ests likely to remain unchanged today)
** CFO stands down
** Stock top FTSE 250 faller in volume at half the 90-day daily avg volume (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)