NEW YORK ( TheStreet) - Nokia ( NOK) was the big loser before market open on Thursday as investors responded to the handset maker's plans to cut 10,000 jobs globally by 2013. The company's shares plunged 9.32% to $2.53 after it announced Thursday the layoffs as part of a major restructuring plan. "These planned reductions are a difficult consequence of the intended actions we believe we must take to ensure Nokia's long-term competitive strength," explained Stephen Elop, the Nokia CEO, in a statement released before market open. The embattled Finnish firm also announced executive changes on Thursday, as well as plans to divest Vertu, its luxury mobile phones business, to private-equity firm EQT VI. Zynga ( ZNGA) shares continued their upward trajectory in premarket trading on Thursday, gaining 1.29% to reach $5.11. Shares of the social gamer and key Facebook ( FB) partner closed up 1.31% on Wednesday following positive reviews of the company from analysts Evercore Partners, J.P. Morgan and Lazard Capital. Zynga was also one of the most active premarket Nasdaq stocks on share volume of 92,797. Dell shares rose 0.53% to $12.34 before market open after closing up 2.55% on Wednesday. The no. 2 PC maker, a famous dividend non-payer, announced plans for a quarterly payment earlier this week. Apple ( AAPL), which announced new hardware and software at its Worldwide Developers' Conference on Monday, gained 0.05% to reach $572.45. --Written by James Rogers in New York. Follow @jamesjrogers >To submit a news tip, send an email to: firstname.lastname@example.org. Check out our new tech blog, Tech Trends. Follow TheStreet Tech on your wireless devices.