An earlier version of this article incorrectly said Citi has been upgraded to "buy" from "neutral" at RBS. Citi was upgraded by UBS.
Disney shares are trading at an all-time high, up nearly 45 percent over the past 12 months.
Twitter shares continued their slide that started last Tuesday, what's next for the social media giant?
AIG reported second-quarter earnings of $1.39 a share on Monday, beating estimates of $1.22 a share.
New rules proposed by the president would significantly cut climate-changing emissions from U.S. power plants.