Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:
Visa Inc., down $7.97 to $214.77
The payments processor reported better-than-expected quarterly results but offered a cautious financial outlook for the year.
Pandora Media Inc., down $2.97 to $25.75
The music streaming company's quarterly results beat expectations, but its guidance fell short and listener hours fell in June.
WellCare Health Plans Inc., down $15.24 to $61.61
The managed-care services company reported a second-quarter loss and deeply cut is financial outlook, citing medical expenses.
Swift Transportation Co., down $4.61 to $21.20
The trucking and freight company reported second-quarter profit that met Wall Street's expectations but its revenue fell short.
Amazon.com Inc., down $34.60 to $324.01
The online retailer reported a deeper-than-expected second-quarter loss as expenses outpaced an increase in revenue.
Qlik Technologies Inc., up $3.44 to $26.83
The business software company reported better-than-expected quarterly results on higher demand for a key analytics product.
Informatica Corp., down $4.28 to $30.65
The data software and services company met quarterly profit expectations but cut its full-year revenue and profit outlook.
Maxim Integrated Products Inc., down $3.56 to $29.38
The chipmaker reported a drop in its quarterly profit, which fell short of expectations, and it offered lower-than-expected guidance.