** Building products and services supplier Builders FirstSource BLDR.N shares fall nearly 1% to about $141.5 in premarket trading after Wedbush cuts rating from "outperform" to "neutral"
** Wedbush lowers rating on lumber deflation & flattish volume outlook, both of which threaten revenue; PT unchanged
** Three of 21 brokerages rate the stock "strong buy", eight "buy" and 10 "hold"; their median PT is $140 according to data compiled by LSEG
** As of last close, shares slightly down YTD