Microsoft reported quarterly earnings that met analysts' expectations on Monday.
Sweden's Ericsson reported weaker-than-expected fourth-quarter earnings due to a drop in investment by telecoms operators in North America.
Investors interested in bitcoin shouldn't be troubled by its price decline, according to two high-profile advocates.
Facebook suffered a brief outage around the world on Tuesday, with a hacking group called the Lizard Squad claiming responsibility.
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Uber's current dispute with the State of South Carolina is not "as big as it may sound," according to a state official.
Investors in the electric carmaker "have to go along for that ride" in volatility, said Adam Jonas of Morgan Stanley.
The U.S. commerce secretary disputes the idea that Obama cannot reach a deal on corporate taxes with Congress.