BUZZ-Electrocomponents: shares hit by HSBC downgrade
** Electrical parts maker Electrocomponents (LSE: ECM.L - news) shares -3.6 pct, on track for biggest one-day fall since April, after HSBC cuts rating to "hold" from "buy", TP to 240p v 290p
** Broker flags strong USD lifts sales but squeezes gross margins
** Says management action will help gross margins but FX means it is likely to be a slower process than it previously expected
** Up to Tuesday's close, stock -12 pct compared with 5 pct fall in the FTSE Support Services index since June 23 (RM (LSE: RM.L - news) :sanjeeban.sarkar.thomsonreuters.com@reuters.net)