An earlier version of this story transposed the per-share price offered by Altice for Cablevision as $39.40.
This article has been updated to show that FedEx reported earnings excluding items of $2.42 a share.
This article has been updated to reflect the correct month of the report.
Luxoft Holdings is based in Switzerland, and 23 percent of its programmer staff is Russian. An earlier version of this article misstated those facts.
China released economic data on Sunday, Sept. 13. An earlier version misstated the day.
Correction: This story has been updated to reflect when Twitter's stock hit a session low.
Forbes magazine lists more than 500 billionaires in the United States.
Correction: This story has been updated to reflect that the capital outflows were from the mainland Chinese stock market, not the capital account.
An earlier version misspelled Valeant in one reference.
An earlier version misspelled Procter & Gamble.