Carly Fiorina

'Right now we are seeing a market responding emotionally, both on the upside and the downside,' says Carly Fiorina, former Hewlett-Packard CEO, discussing the implications of Facebook shares falling below $30 and Research in Motion's first quarter warning.

'Right now we are seeing a market responding emotionally, both on the upside and the downside,' says Carly Fiorina, former Hewlett-Packard CEO, discussing the implications of Facebook shares falling below $30 and Research in Motion's first quarter warn...

After revealing his diagnosis with stage one cancer, Warren Buffett says he feels great and 'as if I were in my normal excellent health and my energy level is one hundred percent'. Whitney Tilson, T2 Partners, and Carly Fiorina, former Hewlett-Packard CEO, discuss Buffett's health and its impact on Berkshire Hathaway's succession plan.

An Op-ed in today's Washington Post suggests President Obama has his own 'not too pretty' record in public equity. Jared Bernstein, Center on Budget & Policy Priorities, and Carly Fiorina, former Hewlett-Packard CEO, discuss.

CNBC's Kate Kelly reports on the latest fallout from Facebook's IPO, what went wrong at Morgan Stanley and why Nasdaq's system failed. Also, Carly Fiorina, former Hewlett-Packard chairman & CEO, provides a Silicon Valley insider perspective, and CNBC's Gary Kaminsky reports on the worst-performing stocks this week.

'I think this is a home run,' says Carly Fiorina, former Hewlett-Packard CEO, discussing Facebook's IPO and the emotional connection many people feel about the company, but cautions, over time investors will begin to focus in on its execution and metrics.

Carly Fiorina, former Hewlett-Packard chairman and CEO, offers advice for Mark Zuckerberg ahead of Facebook's IPO. David Garrity, GVA Research, weighs in.

Former Hewlett-Packard CEO and CNBC contributor Carly Fiorina wrote an open letter to Mark Zuckerberg, offering her advice to the Facebook CEO on the upcoming IPO.

According to some estimates, the U.S. has the highest corporate tax rate in the world, but is that the rate companies actually pay? 'You can raise the tax rate on Warren Buffett all you want, but unless you close the loop holes and exemptions, Warren Buffett will still pay less than a secretary,' says Carly Fiorina, former CEO of Hewlett-Packard.

Carly Fiorina, former HP CEO, discusses her new position as chair of 'Good 360', an online donation marketplace that connects corporate product donations with nonprofit organizations.

Carly Fiorina and the Squawk gang debate the idea that there might be friction between Mark Zuckerberg and his board.

Michael Ward, CSX Corporation chairman & president, discusses his company's better-than-expected first quarter results, and the outlook for the rails and the economy, with Carly Fiorina, former Hewlett-Packard chairman & CEO.