[ad_1] <br><img src="https://images.mktw.net/im-367129" /><br>Riding a wave is exciting as long as it lasts — but watch out when it crashes. <br>[ad_2] <br><a href="https://www.marketwatch.com/story/why-the-magnificent-seven-and-other-momentum-stocks-may-be-hitting-a-wall-f4dc8dbe?mod=mw_rss_topstories">Source link </a>