-$2.28
6.1%
Walgreen Co. stock sank to $35.06. The Deerfield-based firm’s shares hit their lowest level since August 2004 after it said generic drugs cut December pharmacy sales at stores open at least a year by 4.4 percentage points.
-$2.70
8.5%
Shares of Monster Worldwide Inc. slumped to $28.93. American Technology Research cut its share-price forecast for the owner of the largest network of job-hunting Web sites by 22 percent, to $35.
-$3.26
9.4%
Shares of Panera Bread Co. dropped to $31.52. The bakery-cafe chain said fourth-quarter sales at stores open at least a year probably decreased as much as 1.2 percent.
$3.55
7.7%
Celgene Corp. stock climbed to $49.85. The maker of the leading treatment for a deadly blood cancer called multiple myeloma said the Federal Trade Commission cleared its acquisition of Pharmion Corp.
-$7.25
23.1%
Shares of Jackson Hewitt Tax Service Inc. plunged to $24.13. The Internal Revenue Service said it might ban tax preparers from offering customers refund loans and audit insurance because they can encourage tax fraud.
$6.49
8.2%
Shares of State Street Corp. jumped to $85.37. The firm said the head of its investment unit resigned after the company set aside $279 million to cover legal costs from losses on subprime mortgages.
