The stock of Carnival (NYSE:CCL) fell 4% on Monday and has decreased by 9.5% over 21 trading days. The sell-off comes after the cruise line company posted better than expected quarterly results, but provided weaker than expected forecasts for net yield - which measures revenue from passengers after commissions and other costs per cruise day. The metric is closely watched, as it is a proxy for ticket pricing power and onboard spending trends. Separately, see – The GOOGL Stock Shareholder Jackpot.AVALON, CA - ...