Republic Services, Inc. RSG is scheduled to report second-quarter 2021 results on Jul 29, after market close.Let’s check out how things have shaped up for the announcement.Q2 ExpectationsFavorable impacts of internal growth and acquisitions are likely to have aided Republic Services' second-quarter 2021 revenues, the Zacks Consensus Estimate for which stands at $2.70 billion, indicating growth of 10.1% from the year-ago quarter’s reported figure.Improvement in operating margins is likely to have aided the bottom line. The Zacks Consensus Estimate for earnings is pegged at 94 cents per share, indicating growth of 16.1% from the year-ago quarter’s reported figure.What Our Model SaysOur proven model predicts an earnings beat for Republic Services this time around. The combination of a positive Earnings ESP and a Zacks Rank #1 (Strong Buy), 2 (Buy) or 3 (Hold) increases the odds of an earnings beat. You can uncover the best stocks to buy or sell before they're reported with our Earnings ESP Filter.Republic Services has an Earnings ESP of +2.83% and a Zacks Rank #3.Republic Services, Inc. Price and EPS Surprise Republic Services, Inc. price-eps-surprise | Republic Services, Inc. QuoteOther Stocks to ConsiderHere are a few stocks from the broader Zacks Business Services sector that investors may consider, as our model shows that these too have the right combination of elements to beat on second-quarter 2021 earnings.Avis Budget CAR has an Earnings ESP of +30.44% and a Zacks Rank #2. You can see the complete list of today’s Zacks #1 Rank stocks here.Clean Harbors CLH has an Earnings ESP of +18.71% and a Zacks Rank #2.S&P Global SPGI has an Earnings ESP of +0.99% and a Zacks Rank #3. Time to Invest in Legal Marijuana If you’re looking for big gains, there couldn’t be a better time to get in on a young industry primed to skyrocket from $17.7 billion back in 2019 to an expected $73.6 billion by 2027. After a clean sweep of 6 election referendums in 5 states, pot is now legal in 36 states plus D.C. Federal legalization is expected soon and that could be a still greater bonanza for investors. Even before the latest wave of legalization, Zacks Investment Research has recommended pot stocks that have shot up as high as +285.9%. You’re invited to check out Zacks’ Marijuana Moneymakers: An Investor’s Guide. It features a timely Watch List of pot stocks and ETFs with exceptional growth potential.Today, Download Marijuana Moneymakers 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 Avis Budget Group, Inc. (CAR): Free Stock Analysis Report Republic Services, Inc. (RSG): Free Stock Analysis Report Clean Harbors, Inc. (CLH): Free Stock Analysis Report S&P Global Inc. (SPGI): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research