NEW YORK (AP) -- Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and Nasdaq Stock Market:
Best Buy Co. Inc., down $2.07 at $12.05
The electronics retailer extended the window for co-founder Richard Schulze to make a buyout bid until after the holiday season.
VeriFone Systems Inc., down $3.63 at $29.60
The maker of terminals for electronic payment systems said that its adjusted fiscal fourth-quarter profit fell from a year ago.
Schlumberger Ltd., down $3.65 at $68.91
The provider of equipment for the oil and gas industry said that drilling slowdowns and price cuts will hurt fourth-quarter earnings.
Centene Corp., down $4.25 at $40.72
The insurer cut its 2012 earnings forecast again, citing higher-than-expected health care demand in Texas and the flu season.
Apple Inc., down $19.90 at $509.79
A UBS analyst cut his estimates for first-quarter 2013 shipments of Apple's iPhone 5, saying it may have cut back on parts orders.
Adobe Systems Inc., up $2.03 at $37.56
The maker of software such as Adobe Reader and Photoshop reported fiscal fourth-quarter results that beat market expectations.
WebMD Health Corp., up 89 cents at $15.57
A Raymond James analyst upgraded shares of the health website operator citing the company's recently announced cost-cutting plans.
Cytori Therapeutics Inc., down 48 cents at $2.84
The cell therapy developer plans to sell 7 million shares to the public and expects to raise about $18.5 million. It priced the offering at $2.85 a share.