Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and Nasdaq Stock Market:
Unilever PLC, up 80 cents at $33.48
The consumer goods company bought a big stake in a Russian cosmetics company, making it the largest skin care company in that country.
RailAmerica Inc., down 74 cents at $14.04
The short-line railroad operator said that freight carloads fell in September from a year ago to 65,551 from 72,833.
Navistar International Corp., up $2.83 at $41.51
Billionaire investor Carl Icahn bought a 9.8 percent stake in the military truck, bus and recreational vehicle manufacturer.
Pier 1 Imports Inc., up 50 cents at $11.44
The home furnishings company plans to buy back up to $100 million of its stock. It also said it expects a successful holiday season.
Google Inc., up $32.69 at $591.68
The Internet search giant posted third-quarter earnings that beat Wall Street expectations. Revenue rose 33 percent to $9.7 billion.
JB Hunt Transport Services Inc., up $3.39 at $42.28
The trucking operator said its third-quarter profit rose nearly 32 percent, thanks to revenue growth in all of its business segments.
Apple Inc., up $13.57 at $422
The tech giant began selling its latest device, the iPhone 4S. The company already said that first-day pre-orders topped 1 million.
Sonic Corp., up 22 cents at $7.58
The drive-in restaurant chain said its board of directors authorized a stock-buyback program for $30 million in common stock.