With valuations very rich, bullish sentiment high, and stocks generally overbought, there's a certain momentum to the market that makes it likely - in terms of probability - that stocks will be higher in the weeks ahead. (hussmanfunds.com)
«Electrons are constantly zipping around in a material, and they have a certain momentum and energy,» says Raymond Ashoori, professor of physics at MIT and a co-author on the paper. (sciencedaily.com)
On the pessimistic side, major demographic trends, once they gain a certain momentum, are hard to reverse. (educationnext.org)