Senior executives of the telecom concern won't receive additional restricted shares tied to its relative stock performance if shareholder return is negative over a three-year period.

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He then examined the relationship between growth and shareholder returns using a measurement known as Jensen's alpha, which represents the difference between a company's stock performance and the return of a diversified portfolio of risky stocks.

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We look at stock-price performance on an absolute-return basis and rank winners according to portfolio performance of generally at least five stocks.

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Royal Caribbean slashed costs at a manic pace over the past year to return to profitability, and having done so the stock has nearly doubled the performance of Carnival since July 1 (up 29 percent, aided by a comparably rosier 2010 forecast in the wake of the second quarter earnings beat).

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