** Revenue growth reported by U.S. companies for Q1 shouldbenefit from a weaker trade-weighted U.S. dollar ,according to Goldman Sachs analysts
** The dollar in last qtr was 8 pct below its avg in Q1 of2017, they wrote in a note
** "Historically, a weaker U.S. dollar has resulted inabove-average sales beats," they wrote
** Also say, "strong top-line growth is consistent withsolid economic activity in 1Q"
** Street consensus calls for expected rev growth for S&P500 cos of 7.3 pct, with energy, tech and materials expected toshow the biggest yr/yr rev gains, according to Thomson Reutersdata
** That projected rev growth compares with 8.3 pct S&P 500 rev growth in Q4 of 2017
** Also based on TR data, Q1 earnings growth is forecast at18.5 pct, the highest in 7 yrs