** Signify LIGHT.AS shares drop 8% after the world's largest lighting maker reported a steeper than expected drop in Q3 sales and lowered its FY guidance
** Signify Q3 sales drop 8.4% to 1.41 billion euros ($1.64 billion), below the analyst forecast of 1.46 billion euros, hit by lower demand in the U.S.; the company expects FY sales to slip 2.5-3% vs previously "low single-digit percentage"
** "Signify is facing more challenging market conditions, with price pressure in Europe and a slower US market," says ING analyst Marc Hesselink
** The weakest results came from its wholesale and professional lighting units, while consumer sales held up better, the analyst adds
** Market consensus was already below prior guidance, ING says referring to the new lowered outlook
** Shares are on track for their worst day in 3 months, and sit among worst performers on pan-European STOXX 600 index .STOXX
($1 = 0.8575 euros)
(Reporting by Nathan Vifflin)
((nathan.vifflin@thomsonreuters.com))