Hear both sides of the argument in this bull vs. bear debate. There's no question about it. Upstart ( UPST 1.35% ) has been one of the more erratic stocks on the market since its late-2020 debut.

Who will be right%3F Bull predicts double-digit gains in 2014 while bear sees small loss; Momentum to continue%3F Or will market lose steam and flatten our in new year%3F ...

Secular bear markets are marked by the lack of new all-time highs on the S&P 500 and a treading water type of momentum, where stocks don’t seem to ever want to break out. And if they DO hit new ...