Check out which companies are making headlines after the bell Thursday:
Akamai Technologies - The provider of Internet content delivery services reported a 23 percent rise in quarterly revenue. Shares rose in after-hours trading.
Expedia - The online travel company reported first-quarter earnings per share of 16 cents, excluding items, on $1.20 billion in revenue. Analysts had estimated EPS of 15 cents on $1.18 billion in sales. Its shares rose in after-hours trading.
Kraft Foods Group - The food and beverage company tallied first-quarter earnings per share of 85 cents on $4.36 billion in revenue, versus expectations of EPS of 76 cents on $4.45 billion in sales. Shares edged higher in after-hours trading.
LinkedIn - The online professional network posted 38 cents, excluding items, on first-quarter revenue of $473 million, compared to expectations of EPS of 34 cents on $467 million in sales. Its shares fell in after-hours trade.
OpenTable - The online provider of restaurant reservations reported first-quarter earnings per share of 45 cents on $54 million in revenue, compared to estimates of EPS of 42 cents on $54 million in sales. Shares dropped in after-hours trading.
Vertex Pharmaceuticals - The drug developer reported narrower-than-expected first-quarter loss. Shares were sharply higher in after-hours trading.
Western Union - The provider of money transfers posted first-quarter earnings per share of 37 cents on $1.35 billion in revenue. Estimates called for EPS of 35 cents on sales of $1.36 billion. Its shares declined in after-hours trading.
—By CNBC's Kate Gibson
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