"It looks like it's an operating beat, but they got there probably like no one thought they would," Raymond James analyst Anthony Polini told CNBC.
Yahoo shares, which are down roughly 15 percent since the start of the year, rose about as much as 8 percent in after-hours trading.
Intel posted quarterly earnings Tuesday that edged past expectations, while revenue was slightly below estimates.
Swiss bank Credit Suisse reported a 34 percent drop in first-quarter net profit from the same period last year, worse than analysts had expected.
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