Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
UBS AG, down $1.27 at $11.41
The Swiss banking giant said that a rogue trader, who has been arrested, caused the bank an estimated loss of $2 billion.
Sealed Air Corp., down 79 cents at $19.06
The food packaging company said that it has received the needed regulatory approvals for its acquisition of Diversey Holdings.
The Marcus Corp., up $1.53 at $10.24
The hotel and movie theater operator said its first-quarter net income climbed 25 percent thanks to a strong slate of films.
Arcelor Mittal, up 99 cents at $19.00
A Citi analyst upgraded the steel producer's shares to "Buy," saying that its low stock price makes it attractive.
Netflix Inc., down $39.46 at $169.25
The online movie rental company lowered its expectations for U.S. subscribers, weeks after increasing the price for certain plans.
Cninsure Inc., down $1.64 at $9.03
The Chinese insurance company said that a $626 million bid from a group of investment firms to take it private was dropped.
Express Scripts Inc., down $1.29 at $41.50
A Bernstein analyst said the pharmacy benefits manager could lose 25 percent of its contracts if it stops working with Walgreen.
G-III Apparel Group Ltd., up $2.30 at $23.78
A Stifel Nicolaus analyst upgraded the clothing maker on the likelihood it will produce double-digit revenue growth in the future.