On today’s episode of Free Lunch here at Zacks, Associate Stock Strategist Ben Rains takes a look at Monday’s selloff and Tuesday’s up and down reaction. We also dive into oil prices and their impact, as well as what’s next on the coronavirus front. We then close with a look at why Lennar LEN is a Zacks Rank #1 (Strong Buy) stock right now.Stocks plummeted Monday and trading was halted for the first time in 23 years. The Dow fell 7.8% and lost over 2,000 point in one session for the first time ever. Meanwhile, the S&P 500 sunk 7.6%, for its worst day since 2008. Overall, indexes inched closer to bear market territory yesterday, as they fell close to 20% off their recent highs.Stocks did bounce back Tuesday, up over 3% in early morning trading. But all three major U.S. indexes began to slip, and the Dow and the S&P 500 have now swung between red and green Tuesday, as volatility continues.Luckily, oil prices jumped over 8% Tuesday after they suffered their biggest drop since 1991 yesterday, with the U.S. benchmark price down 25% to $31 a barrel. And the fight between Saudi Arabia and Russia has put a ton of pressure on U.S. oil and gas firms.Meanwhile, Italy placed the entire country under quarantine in an effort to curb the spread of the coronavirus. And cases in the U.S. have slowly started to climb. Wall Street is now looking to what lawmakers will do next, and might have a better understanding soon, with President Trump and his administration discussing how to curb possible economic pain.The slowdown in travel caused by the coronavirus looks poised to hurt airlines. American Airlines AAL and Delta DAL both joined United Airlines UAL and said they would reduce the number of flights. And Southwest LUV CEO Gary Kelly told employees that he would take a pay cut.The episode then closes with why Lennar is a Zacks Rank #1 (Strong Buy) stock, as part of a strong Home Builders industry, which includes KB Home KBH, PulteGroup, Inc. PHM, TRI Pointe Group, Inc. TPH, and other highly-ranked stocks. Today's Best Stocks from ZacksWould you like to see the updated picks from our best market-beating strategies? From 2017 through Q3 2019, while the S&P 500 gained +39.6%, five of our strategies returned +51.8%, +57.5%, +96.9%, +119.0%, and even +158.9%.This outperformance has not just been a recent phenomenon. From 2000 – Q3 2019, while the S&P averaged +5.6% per year, our top strategies averaged up to +54.1% per year.See their latest picks free >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Southwest Airlines Co. (LUV): Free Stock Analysis Report PulteGroup, Inc. (PHM): Free Stock Analysis Report Delta Air Lines, Inc. (DAL): Free Stock Analysis Report United Airlines Holdings Inc (UAL): Free Stock Analysis Report KB Home (KBH): Free Stock Analysis Report American Airlines Group Inc. (AAL): Free Stock Analysis Report TRI Pointe Group, Inc. (TPH): Free Stock Analysis Report Lennar Corporation (LEN): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research