boomsayer

Etymology
.

Noun

 * 1) A person who makes optimistic projections about the future, especially with regard to economic prosperity and growth.
 * 2) * 1976, Alan Chalkley, "The swing to the right — a refreshing wind of change", Asian Finance, Volume 2, Number 8, November/December 1976:
 * The year 1976 began with high hopes. The stock markets took a euphoric upswing on January 1. But by the end of April, uncertainties began to obtrude, and for the rest of the year, it has been a battle between the doomsayers and the boomsayers. Who will win out?