Royal Caribbean Cruises is trading 4.01% down now at $274.67 as higher oil prices pressure fuel-intensive cruise operators. - Crude reached a five-month high amid concerns that U.S.-Iran tensions could flare up again. - Other major cruise lines also fell, pointing to industry-wide pressure rather than a company-specific announcement. - Broader discretionary weakness and cautious market sentiment may add to the decline; no company-specific catalyst was identified in available reporting.