[ad_1] <br><img src="https://images.mktw.net/im-62476355" /><br>A sharp reversal for Nvidia shares on Friday may be a worrying signal for the wider market <br>[ad_2] <br><a href="https://www.marketwatch.com/story/candlesticks-and-supernovas-why-action-in-nvidia-is-a-worry-for-market-gazers-82c5f93e?mod=mw_rss_topstories">Source link </a>