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After-hours buzz: Pandora, Starbucks, Visa & more

Eric Thayer | Stringer | Getty Images

Check out which companies are making headlines after the bell Thursday:

Altera - The semiconductor company gained in after-hours trading after reporting second-quarter results.

Amazon.com - The online retailer reported a second-quarter earnings per share loss of 27 cents on $19.34 billion in revenue. Analysts had forecast an EPS loss of 15 cents on $19.34 billion in sales. It projected third-quarter sales of $19.7 to $21.5 billion versus a $20.83 billion estimate. Shares slid in after-hours trading.

Read MoreAmazon drops 7% after wider-than-expected loss

KLA-Tencor - The developer of solutions for the semiconductor industry fell after reporting disappointing fourth-quarter results.

Pandora Media - The provider of online music reported second-quarter earnings per share of 4 cents, excluding items, on $219 million in revenue, versus expectations of EPS of 3 cents on $219 million in sales Shares dropped in after-hours trading.

Starbucks - The coffee company reported third-quarter earnings per share of 67 cents on $4.15 billion in revenue, versus expectations of EPS of 66 cents on $4.14 billion in sales. Shares declined in after-hours trading.

Visa - The electronic payments network posted earnings per share of $2.17 on $3.16 billion in revenue, compared to estimates of EPS of $2.10 on sales of $3.15 billion. Shares fell in after-hours trading.

—By CNBC's Kate Gibson

Questions? Comments? Email us at marketinsider@cnbc.com

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