An earlier version of this article incorrectly said Citi has been upgraded to "buy" from "neutral" at RBS. Citi was upgraded by UBS.
"The environment we've been in over the past five years has not been normal," David Lebovitz says.
For the first time investors will be able to buy into a high-frequency trader. Will that change their opinion of the bogeyman?
OPEC is concerned by recent prices and stands ready to talk to other producers, according an article in an OPEC publication.
“The carnage has been incredible and we keep acting in this ‘wait until you see what happens’ mode," Jim Cramer says.