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Meanwhile, here are the key factors to watch for in today's call:
Yahoo is expected to deliver 30 cents of earnings per share, according to an average of analysts' estimates, this afternoon when it releases its Q2 2013 results. That would be an increase from 27 cents EPS a year ago.
The company is expected to deliver $1.08 billion in revenues, up just 0.1% from a year ago.
Today's disclosure caps off CEO Marissa Mayer's one year anniversary of her move from Google. In that time, she boosted morale at the company and made 17 acquisitions, most prominently Tumblr.
The stock has been up all year, sitting around the $27 mark prior to the call. But that rise has come in large part due to Yahoo's lucrative holding of Alibaba equity, which could be worth a future $20 billion when it's sold.
More immediately, Yahoo needs to convince advertisers of its offerings at both Yahoo and Tumblr. One key metric to watch for today: Yahoo disclosed back in Q1 that both the number of ads sold and price per ad had been in decline.