8. -- Activist investor William Ackman is set to announce Wednesday his firm's largest-ever investment, The Wall Street Journal reported. Ackman's firm, Pershing Square Capital Management, is investing more than $2 billion in a U.S.-based industrial company, people familiar with the matter told the newspaper. The identity of the company remained unclear Tuesday. The investment will represent nearly 10% of the company, which has a market capitalization of more than $20 billion, the people told the Journal. 9. -- Accenture ( ACN), the consulting company, is in talks to acquire smaller rival Booz & Co., people familiar with the matter told the Journal. Booz employs about 3,000 people and had revenue of about $1.4 billion in 2012. 10. -- Facebook ( FB) shares rose 6.2% on Tuesday to close at $37.61, within pennies of its initial public offering price of $38 price in May 2012. The stock of the social networking giant rose as high as $37.96 in trading Tuesday afternoon. -- Written by Joseph Woelfel >To contact the writer of this article, click here: Joseph Woelfel >To submit a news tip, send an email to: firstname.lastname@example.org.