With Tesla Motors announcing Tuesday that Q4 deliveries and revenue will beat guidance by 20%, Wall Street is shifting 2014 expectations for the luxury electric-car maker into a higher gear. And at this key time, Tesla (TSLA) faces attention-consuming side effects of being a production automaker — such as the probe into Model S sedan fires, and a safety recall posted this week at the National Highway Traffic Safety Administration
Microsoft will end support for its Windows XP operating system on April 8, which could lead to security problems for personal computers running the 12-year-old software. Despite that threat, the deadline is not expected to spark a last-minute rush of PC upgrades. Businesses and other enterprises have been aware of the cutoff for quite some time. Still, about 30% of PCs in use run the venerable XP operating system. Many consumers
Big-cap drug stocks Pharmacyclics, Valeant Pharmaceuticals and Celgene were all moving up Tuesday as the new year brought news that promised more expansion for all of them. Pharmacyclics (PCYC) vaulted 20% to 125.90 after saying a clinical trial of Imbruvica would be halted because the drug had already met its goals. The trial compared survival rates in patients with refractory chronic lymphocytic leukemia (CLL) or small lymphocytic