Groupon, Zynga, Microsoft: Tech Premarket

NEW YORK ( TheStreet) -- Groupon ( GRPN) shares climbed 4.87% to $10.55 before market open after Morgan Stanley ( MS) upgraded the daily deals site.

Morgan Stanley upgraded Groupon to overweight, citing its emergence as a leading local e-commerce company. Groupon shares closed up 6.68% on Friday.

Zynga ( ZNGA) shares also headed northward on Monday, gaining 1.8% to reach $5.66, continuing their recent momentum. The social gamer closed up 10.65% on Friday following positive analyst reviews of the company earlier in the week.

The San Francisco-based Facebook ( FB) partner was also one of the most active premarket Nasdaq stocks on share volume of 147,614.

Facebook shares slipped 0.75% to $29.79 on share volume of 201,420.

Microsoft ( MSFT) which is expected to make a major product announcement late on Monday, crept up 0.03% to $30.03 before market open. There has been chatter that the software giant will make its entry into the tablet market at an event in Los Angeles after market close.

--Written by James Rogers in New York.

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