Stocks that moved substantially or traded heavily on Friday:
Amazon.com Inc., up $128.52 to $1,100.95
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The online retailer's third-quarter results were stronger than expected and it expects sales to grow over the holiday season.
Alphabet Inc., up $42.25 to $1,033.67
Google's parent company said advertising revenue jumped and its quarterly results topped analyst estimates.
Microsoft Corp., up $5.05 to $83.81
The company's revenue was far greater than expected as its cloud computing business continued to grow.
J.C. Penney Co., down 54 cents to $3.12
The department store cut its annual forecasts for profit and a key sales measurement.
Mattel Inc., down $1.37 to $14
The toy company suspended its dividend payments and said it will cut costs after a hefty quarterly loss.
Gigamon Inc., up $2.55 to $38.70
The networking hardware company agreed to be bought by Elliott Management for $38.50 a share, or $1.44 billion.
Expedia Inc., down $23.56 to $123.79
The online travel company's third-quarter profit and sales were weaker than analysts had anticipated.
Intel Corp., up $3.05 to $44.40
Investors were pleased with the chipmaker's fourth-quarter forecast.