Twitter Stock Soars Over 5% After-Hours On Inclusion In S&P 500

With the exit of Monsanto - due to M&A - Twitter has been chosen to join the S&P 500 after making new highs in the day session. After the news, it is up over 5% after-hours...

To its highest since July 2015

TWTR tagged $40 after hours, but remains well below the post-IPO Open level...

 

Because "efficient markets"...