Reddit Joins the S&P 500 Tuesday. Here's What History Says Could Come Next -- and What Investors Should Know.
· finance.yahoo.com
Shares of the social media company jumped double digits on the news. Decades of research say the pop is usually the whole prize.
Reddit (NYSE: RDDT) is going into the S&P 500 (SNPINDEX: ^GSPC). S&P Dow Jones Indices said Thursday evening that the social media company will replace AvalonBa...