The overall stock market may have recovered from the Great Recession, but the tech sector has never fully recovered from the dot-com bust in the early 2000s. Here are seven rules for investing in high-tech companies while avoiding wild speculation:
Russian company Yota has released a smartphone with two screens, one on the front and one on the back. But don't knock it as a gimmick just yet – the dual-screen actually solves a common smartphone issue.
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