Perplexing puzzle: Can Yahoo's luster be restored?

(AP) -- Yahoo Inc. has gone through three different CEOs in five years. Whoever takes the helm now will face the same challenge: Solve one of the Internet's most perplexing puzzles.

Pre-bubble hype for second dot-com bubble?

What's a dot-com worth? Investors got it badly wrong when they pushed Internet stocks to nose-bleed levels in 2000, only to lose billions when the companies mostly went bust.

Nortel to sell itself off in pieces

(AP) -- Nortel Networks, once a technology giant, has decided to sell itself off in pieces rather than attempt to emerge from bankruptcy as a restructured company.

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