The best ultra-portable USB 3.0 storage products from 16 to 128 GB square off in a grand comparison. We found wildly disparate transfer rates ranging from 200 MB/s down to a snail’s pace. At the end, though, two products rose to the top of our list.

Intel recently announced its Thunderbolt technology, previously known as Light Peak. The interface...

Netflix, the streaming-video and DVD-rental-by-mail giant, said that its profit soared 88 percent in the first quarter as it added 3.6 million subscribers globally. But the company’s shares were battered in after-hours trading, falling 5 percent after the company projected that its profits next quarter wouldn’t likely be as high as Wall Street traders hoped they would be.

The seemingly odd timing of the sell-off may also be due to investors trying to reap some profits from a stock that has risen 40 percent this year.

For the first quarter, Netflix said it earned $1.11 per share on revenue of...