NEW YORK (AP) -- Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
Tempur-Pedic International Inc., up $3.86 at $30.64
The mattress company said that it will buy rival Sealy Corp. for about $228.6 million. The firms will run independently of each other.
Discover Financial Services, up $2.69 at $39.71
The company's third-quarter results beat expectations as credit-card use rose and more customers paid off their balances on time.
McCormick & Co. Inc., down $1.14 at $61.75
The spices, seasonings and condiments maker said its third-quarter profit rose 13 percent, but its revenue missed expectations.
Actuant Corp., down $1.47 at $28.38
The industrial products maker posted a fourth-quarter loss because of weak results from a company that it acquired two years ago.
Thor Industries Inc., up $1.98 at $36.39
The recreation vehicle maker said that its fourth-quarter profit increased 20 percent, beating expectations, on strong RV sales.
HB Fuller Co., down $3.16 at $30.22
The specialty chemical maker reported lower-than-expected third-quarter revenue and cut its revenue forecast for the full year.
StemCells Inc., up 19 cents at $2.12
The biopharmaceutical company said it enrolled its first patient in a new phase of a clinical trial of its spinal cord therapy.
Progress Software Corp., up $2.07 at $21.23
The business software maker reported third-quarter adjusted earnings results that topped what Wall Street was expecting.