Stocks that moved substantially or traded heavily Thursday:
Scholastic Corp., down $2.72 to $35.79
The "Harry Potter" publisher's profit and revenue fell short of Wall Street estimates.
Ash Grove Cement Co., up $235 to $520
The cement maker agreed to be bought by CRH.
Advanced Micro Devices Inc., down 33 cents to $13.41
CNBC reported that the company will work with Tesla to make chips for its autonomous cars.
Blue Apron Holdings Inc., up 1 cent to $5.23
A competitor of the meal kit company, Plated, agreed to be acquired by Albertson's.
Calgon Carbon Corp., up $8.20 to $21.40
The water and air filtration systems company agreed to be bought by Kuraray of Japan.
Anadarko Petroleum Corp., up $3.68 to $48.49
The oil company said it plans to buy back $2.5 billion in stock.
Career Education Corp., down 3 cents to $9.89
The for-profit education company said its chief financial officer is leaving.
AngloGold Ashanti Ltd., down 13 cents to $9.19
The prices of gold and silver fell sharply Thursday after the Federal Reserve didn't change its plans to raise interest rates.