News Summary

• Bitcoin tumbled below $44,000, erasing gains generated after the U.S. Securities and Exchange Commission approved bitcoin ETFs that make buying the cryptocurrency as easy as stocks..
• Overseas, the Stoxx Europe 600 gained and Japan’s Nikkei 225 continued its rally, rising 1.5%.—By Caitlin McCabe and Ryan DezemberOur Sunday podcast, WSJ's Take On the Week, can help you prepare for what's ahead..
• All three rose for the week, after declining in the first week of the year..
• Read today's full markets roundup here.As of late Friday: Stock indexes ended mixed..
• Plus, get smarter about markets with our free weekday morning and evening newsletters..
• Bank stocks slipped after results from the big lenders..