149 Since 1993, any trade increase in the S&P has happened ONLY in after hours. During regular trading hours its stayed flat. (media.greatawakening.win) posted 2 years ago by Psydo5 2 years ago by Psydo5 +149 / -0 25 comments download share 25 comments share download save hide report block hide replies
Also because many companies report earnings after the market close, which moves markets in after hours trading. While sometimes surprises are to downside, the market has gone up on avg and so it makes sense that gains are to upside overall.