The Dow Jones Industrial Average was gaining 72.5%, or 0.57%, to 12,724.41 midday Friday. Leading the Dow higher were Microsoft (MSFT - Get Report), Cisco (CSCO - Get Report) and Chevron (CVX - Get Report).
Shares of Microsoft rose 2.1% to $29.95. Business software firm Yammer agreed to be bought by Microsoft for $1.2 billion, according to The Wall Street Journal.
The stock has risen 15.4% year to date.Cisco shares rose 1.27% to $17.14. The stock has dropped 5.23% year to date. Shares of Chevron gained 1.35% to $103.30. The stock has fallen 2.91% year to date. -- Written by Alexandra Zendrian
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