Tesla Tanks on China Weakness, EMC Plunges on Downgrade -- Tech Winners & Losers

NEW YORK (TheStreet) -- Tesla Motors tanked Friday after two analysts reports cited concerns with the high-end electric vehicle maker. Storage maker EMC  dropped sharply after Pacific Crest downgraded the stock. Hewlett-Packard fell following a report that the technology giant faced larger legal costs after losing its appeal of a jury verdict.  Tesla Motors plunged 2.8% to close at $185, on a day when the broader markets advanced. Must Read: 10 New Stocks Billionaire David Einhorn Loves Invest...