Snap slips after revenue miss, user metric change
** Shares of Snapchat operator Snap SNAP.N fall 9.8% to $5.34 premarket
** Co's Q3 revenue misses analysts' expectations with ad revenue rising 4%, below co expectations
** CEO Evan Spiegel blames lower spending amid macroeconomic pressures in US and Middle East
** B Riley ("Buy," cuts PT to $8 from $10) views co's move to use monthly active users as audience metric, instead of daily, as loss of data on regional engagement
** Average rating of 31 of 44 analysts is "hold", with 9 at "buy", 1 "strong buy" and 3 "sell"; their median PT is $6.88 - LSEG-compiled data
** YTD, up to last close, stock down nearly 27%