NEW YORK (AP) -- Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq stock market:
Molina Healthcare Inc., down $12.46 to $51.76
The health insurer cut its guidance because of problems including higher medical care costs in some states and costs from rapid growth.
Amazon.com Inc., up $57.59 to $659.59
The e-commerce giant said revenue jumped 28 percent in the first quarter, and it turned a far bigger profit than analysts expected.
Expedia Inc., up $8.78 to $115.77
The online travel company reported a bigger adjusted profit and greater sales than expected
Monster Beverage Corp., up $16.38 to $144.22
The energy drink company's results surpassed analyst estimates. It also said it will buy back $2 billion of its own stock.
TiVo Inc., up 56 cents to $9.98
The digital video recording company agreed to be bought by digital TV listing company Rovi for about $1.1 billion.
Groupon Inc., down 81 cents to $3.62
The daily deals site's first-quarter results met expectations, but investors remained concerned about the health of its business.
Gilead Sciences Inc., down $8.79 to $88.21
The biotech drugmaker's results were hurt by big discounts and rebates on its costly hepatitis C medicines.
Seagate Technology Inc., down $5.13 to $21.77
The electronic storage company's quarterly profit fell short of Wall Street estimates.