Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
Advanced Micro Devices Inc., down 84 cents at $5.31
The chip maker cut its revenue and profit outlook for the third quarter due to manufacturing problems at a German factory.
Nokia Corp., up 22 cents at $5.77
The cellphone maker said it will cut 3,500 jobs and close a Romanian factory by 2012 in order to save costs and restructure.
Worthington Industries Inc., up 51 cents at $14.43 The Columbus, Ohio-based metal manufacturer said that its first-quarter net income rose 15 percent thanks to lower expenses.
H&R Block Inc., up 22 cents at $13.73
The tax preparer said it would end its EXPRESSTAX brand, which helped people file their taxes early and get refunds quickly.
Harleysville Group Inc., up $27.44 at $58.96
Nationwide Mutual Insurance said it will acquire the insurer for $1.63 billion in cash to expand its presence on the East Coast.
Insituform Technologies Inc., up 14 cents at $13.36
The pipeline repair company cut its 2011 earnings expectations and said it has started a restructuring program to reduce costs.
Umpqua Holdings Corp., up 79 cents at $8.90
The bank holding company, which owns Umpqua Bank and Umpqua Investments, said it will buy back $15 million of its shares.
NuVasive Inc., down $1.59 at $18.28
The medical device company said it will buy intra-operative monitoring provider Impulse Monitoring for $80 million.