What happened On Monday, the cruise industry -- indeed, just about every industry related to travel and leisure in any way -- got knocked for a loop by worries that a revived coronavirus, fueled by its delta variant, would throw the world back into lockdown. It took less than 24 hours for those worries to apparently subside. Image source: Getty Images. So what On Tuesday, shares of travel and leisure stocks rebounded strongly: Hotel, casino, and resort company MGM Resorts (NYSE: MGM) achieved a 4.8% gain by the closing bell. Royal Caribbean (NYSE: RCL) shares rose 7.7% on the day. Norwegian Cruise Line Holdings (NYSE: NCLH) closed 8.3% higher. What was the catalyst behind Tuesday's rebound? As Marketwatch quoted one group of bemused analysts who were posed the question, "The rebound reflected ideas the previous sell-off was overdone." In other words, there wasn't a clear reason for today's bounce back. Now what What's interesting about today's rebound, though, is the net results after the past two trading days: MGM Resorts stock now sits 1.2% above where it closed on Friday last week. Royal Caribbean shares cost 3.5% more today than they did then. And Norwegian Cruise has not only recovered all its losses of yesterday, but also booked a gain of 2.3% from Friday. That's right: It's just as if Monday never happened at all! So I guess the lesson for investors who sold in a panic yesterday is one of the oldest pieces of advice ever written: "Act in haste, repent at leisure." 10 stocks we like better than Royal CaribbeanWhen our award-winning analyst team has a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* They just revealed what they believe are the ten best stocks for investors to buy right now... and Royal Caribbean wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of June 7, 2021 Rich Smith has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.Source