Shares of Norwegian Cruise Line Holdings Ltd. jumped 2.4% toward a six-month high in premarket trading Tuesday, after the cruise operator reported a narrower-than-expected third-quarter loss on revenue that rose above forecasts, and as an adjusted earnings metric reached profitability for the first time since the start of the pandemic. Net losses narrowed to $295.4 million, or 70 cents a share, from $845.9 million, or $2.29 a share, in the year-ago period. Excluding nonrecurring items, the adjus