Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:
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Visa Inc., up $3.05 to $74.80
The payment processing company's third-quarter profit jumped 25 percent, helped by a double-digit rise in activity on its network.
AbbVie Inc., down $2.44 to $68.08
The pharmaceutical company reported better-than-expected second-quarter profit, but revenue fell short of Wall Street forecasts.
Pandora Media Inc., up $2.08 to $15.96
The music streaming service reported a second-quarter loss, but its results beat Wall Street expectations.
Unisys Corp., down $3.20 to $16.55
The information technology service provider reported a second-quarter loss on lower revenue and costs related to job cuts.
Amazon.com Inc., up $47.24 to $529.42
The online retailer reported a surprise second-quarter profit on strong revenue growth both domestically and internationally.
Starbucks Corp., up 73 cents to $57.29
The coffee chain's second-quarter profit jumped 22 percent on pricier drinks and food, beating Wall Street expectations.
Biogen Idec Inc., down $85.02 to $300.03
The biotechnology company cut its full-year adjusted profit forecast as sales of one of its multiple sclerosis drugs slow down.
American Airlines Group Inc., down $2.98 to $39.63
The world's largest airline reported strong second-quarter profit but warned a key revenue figure will decline in the third quarter.