An unusual technical pattern took shape last year. The other 2 times it has occurred, it led to huge market gains

An unusual technical pattern took shape last year. The other 2 times it has occurred, it led to huge market gains: https://t.co/MI1jQ5YZXf pic.twitter.com/OA3xIrKBnv

— MarketWatch (@MarketWatch) January 10, 2017