Shares in Royal Caribbean Cruises rocketed Friday after it delivered better-than-expected earnings that is predicted to ease investor concerns about the cruise market.

The giant cruise ship owner's shares were up more than 10% over yesterday's close on the New York Stock Exchange before losing some ground and ending today at $74.47, a 9.4% gain in the trading session.

$1.38bn market cap gain

The jump represented a one-day market share gain of nearly $1.38bn,