Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and Nasdaq Stock Market:
Alcoa Inc., down 20 cents at $15.71
The aluminum producer's quarterly profit grew thanks to higher sales and prices, but costs for raw materials are rising.
Wolverine World Wide Inc., down $2.87 at $39.73
The shoemaker maintained its earnings forecast for the year. The predicted range mostly fell below Wall Street expectations.
ReneSola Ltd., up 3 cents at $4.71
The Chinese solar wafer manufacturer cut its second quarter forecasts for revenue, profit margin and shipments.
News Corp., down 13 cents at $15.35
The media company raised its stock buyback program to $5 billion after the hit to its shares amid a phone hacking scandal.
Radiant Systems Inc., up $6.54 at $27.99
ATM maker NCR Corp. will buy the company, which makes software for the hospitality and retail industries, for $1.2 billion.
Seattle Genetics Inc., down 74 cents at $19.80 The FDA raised questions about the biotech drugmaker's studies of its experimental therapy to treat Hodgkin's disease and lymphoma.
Microchip Technology Inc., down $4.55 at $32.93
The chip maker said its quarterly results will be weaker than expected because demand has slowed from auto and computer customers.
Quest Software Inc., down $2.82 at $19.77
The IT software provider forecast second-quarter results that fell short of analyst expectations, and cut its revenue outlook.