Today, Fool.com analysts Brenton Flynn and David Williamson look at Rigel's 8% plunge today following the company's second share offering, which resulted in a 20% dilution and $130 million raised. 

David points out that although the company has been burning through cash lately, investors can rest easy knowing that this second offering is probably the last for some time, as the company is now cash-rich and has no debt.

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