Alibaba's high-flying IPO doesn't signal a top for the stock market, pros on CNBC's "Halftime report" say.
Samsung has a bigger problem than Apple, says Michael Yoshikami. Here's what it is.
Blackstone's Tony James is disputing a recent published report that the private equity group was "giving up on Russia."
CEO Michael Dell speaks to CNBC about tech giant Dell going private, tech valuations and Alibaba's public debut.
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