7.-- Smartphone maker BlackBerry (BBRY) is scheduled to release fiscal third-quarter results, the first quarterly report under interim CEO John Chen, before the opening bell on Friday.

Wall Street expects BlackBerry to post a third-quarter loss of 43 cents a share on revenue of $1.66 billion. Last year, the company earned $14 million, or 3 cents a share, on revenue of $2.7 billion.

8.-- Drugstore chain Walgreen (WAG) is forecast to report on Friday fiscal first-quarter net income of 72 cents a share on sales of $18.35 billion.

9.-- Fiscal second-quarter earnings at Nike (NKE), the world's largest athletic goods maker, rose by 40%, helped by higher average selling prices and an increase in global revenue.

Earnings of $537 million, or 59 cents a share, beat analysts' expectations. Revenue rose 8% to $6.43 billion, but came in shy of forecasts.

10.-- Mark Zuckerberg is beginning to fulfill a pledge to give away most of his life's wealth as the Facebook  (FB) co-founder and CEO conducts one of his biggest stock sales since taking the social networking giant public in May 2012. 

Facebook said it will sell 70 million shares, split between a sale of more than 27 million shares by the company and almost 43 million shares by selling stockholders. Of Facebook's selling stockholders, Zuckerberg will be selling 41,350,000 of his shares in the offering.

Facebook shares closed Thursday at $54.79, down 0.5%.