Topic - Sam Hamadeh

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This Friday, Nov. 21, 2014, file photo taken in Newark, N.J., shows smartphones displaying Uber car availability in New York. Uber is offering car service in 250 cities in 50 countries now, up from 60 cities in 21 countries just a year ago. Uber hasn’t released its financial figures to the public, so valuing the company is pure guesswork. (AP File Photo/Julio Cortez)

Surge pricing: Uber’s $40B valuation. Worth it?

By Bernard Condon and Barbara Ortutay - Associated Press

This Friday, Nov. 21, 2014, file photo taken in Newark, N.J., shows smartphones displaying Uber car availability in New York. Uber is offering car service in 250 cities in 50 countries now, up from 60 cities in 21 countries just a year ago. Uber hasn’t released its financial figures to the public, so valuing the company is pure guesswork. (AP File Photo/Julio Cortez)

Surge pricing: Uber’s $40B valuation. Worth it?

By Bernard Condon and Barbara Ortutay - Associated Press

FILE - In this file photo taken Tuesday March 26, 2013, a worker performs shadow boxing during an open day at the Alibaba Group office in Hangzhou in east China's Zhejiang province. Alibaba Group is aiming to raise $1 billion in a long-awaited IPO likely to have ripple effects across the Internet. The Tuesday, May 6, 2014 filing sets the stage for the technology industry's biggest initial public offering since short messaging service Twitter and its early investors collected $1.8 billion in its stock market debut last fall. (AP Photo) CHINA OUT

China’s Alibaba seeks blockbuster IPO in US

By MICHAEL LIEDTKE - Associated Press

Facebook hits new low as IPO lock-up ends

By BARBARA ORTUTAY and MICHAEL LIEDTKE - Associated Press