Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
NYSE
Och-Ziff Capital Management Group LLC, down 63 cents at $4.75
The hedge-fund firm said assets under management dropped by $5.5 billion in December due to redemptions and poor performance.
Synovus Financial Corp., down $1.03 at $7.17
The bank forecast a higher provision to cover bad loans in the fourth quarter, prompting analysts to lower estimates.
Tyson Foods Inc., down 56 cents at $8.79
The meat processor said its CEO will step down immediately and be replaced by its former chairman on an interim basis.
Barnes & Noble Inc., up $2.06 at $17.38
The book seller could benefit from weakness at rival Borders, an analyst said, and upgraded the stock to "neutral" from "sell."
Best Buy Co., up 98 cents at $30
A Goldman Sachs analyst upgraded the stock to "buy" from "neutral," citing the closure of Circuit City and cost control efforts.
Navistar Corp., up $5.67 at $30.10
The maker of trucks, buses, and engines forecast fiscal 2009 profit below Wall Street estimates amid a weak sales environment.
CKE Restaurants Inc., up 3 cents at $8.87
The operator of the Carl's Jr. and Hardee's burger chains adopted a "poison pill" plan to dissuade hostile takeover attempts.
NASDAQ
Apple Inc., up $3.83 at $94.58
Founder and CEO Steve Jobs said his weight loss stems from a hormone imbalance that will require "relatively simple" treatment.