NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
Citigroup, down $1.64 to $49.57
The Financial Times reported the bank experienced a drop in trading revenue, a report that weighed on other bank stocks as well.
Pandora Media Inc., down $2.73 to $24.26
The Internet radio company is feeling a lot of pressure from Apple, which introduced a competing service called iRadio.
J.C. Penney Co. Inc., down 60 cents to $12.36
CNBC reported that the struggling retailer has met with banks to determine how it can raise more money.
Walgreen Co., up 71 cents to $56.23
The drug store chain announced it will shift more responsibility for insurance to employees, and Morgan Stanley follows with an upgrade.
Sealed Air Corp., down $1.55 to $27.01
Barclays downgraded its rating on the food safety company and maker of Bubble Wrap to "Equal Weight" from "Overweight."
Apple Inc., up $23.23 to $490.64
Demand for the new iPhone 5s exceeded supply and the tech giant says the iOS 7 was the fastest software upgrade in company history.
BlackBerry Ltd., up 10 cents to $8.82
The smartphone maker says that it is selling itself to one of its biggest shareholders, Fairfax Financial, after latest phone flops.
L&L Energy Inc., down 17 cents to $1.09
The energy company formed a special committee to clear up allegations made on the GeoInvesting blog that it's cooking its books.