Shares of Republic Services, Inc. RSG have gained 12.9% over the past year against 8.9% decline of the industry it belongs to. Let’s delve deeper into the factors, which have contributed to the company’s outperformance.Consecutive Earnings BeatRepublic Services reported better-than-expected earnings performance in all four quarters of 2019 and the first three quarters of 2020. The company’s bottom line continued to benefit from improvement in operational efficiency, growth in adjusted free cash flow, higher recycled commodity prices and lower fuel costs.Notably, the company's average recycled commodity price per ton sold in the third quarter of 2020 was $99, reflecting year-over-year increase of $27 per ton.Raised 2020 Cash Flow GuidanceRepublic Services raised its full-year 2020 cash flow guidance. The company now anticipates generating $1.15 billion to $1.20 billion of adjusted free cash flow for the full year compared with the prior guidance of $1.1-$1.175 billion. This guidance assumes continued gradual improvement in economic activity through the remainder of the year.It also plans to invest $850-$900 million in acquisitions for the full year.However, the company has reaffirmed its 2020 adjusted EPS guidance. Adjusted EPS is expected to be in the range of $3.37-$3.40. The Zacks Consensus Estimate of $3.25 lies below the guidance.Shareholder Friendly MovesRepublic Services’ consistent efforts in rewarding its shareholders through dividend payments and share repurchases are appreciable. During the first nine months of 2020, Republic Services paid out $387.1 million in dividends. Further, the company’s board of directors declared a regular quarterly dividend of 42.5 cents per share for shareholders on record as of Jan 4, 2021. The dividend will be paid out on Jan 15, 2021.Concurrent with the third-quarter 2020 earnings release, the company’s board of directors approved $2 billion for share repurchases, effective from Jan 1, 2021 till Dec 31, 2023. As of Sep 30, 2020, the company had $606 million available under its prior authorizationand this continues till Dec 31, 2020.In 2019, 2018 and 2017, the company paid out $491.2 million, $461.8 million and $440.5 million in dividends and repurchased shares worth $399.4 million, $736.9 million and $610.7 million, respectively. Such moves indicate the company’s commitment to create value for shareholders and underline its confidence in its business. These initiatives not only instill investors’ confidence but also positively impact earnings per share.Zacks Rank and Stocks to ConsiderRepublic Services currently carries a Zacks Rank #3 (Hold).Some better-ranked stocks in the broader Zacks Business Services sector are ICF International ICFI, Automatic Data Processing ADP and Insperity NSP, each carrying a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.The long-term expected earnings per share (three to five years) growth rate for ICF International, Automatic Data Processing and Insperity is 10%, 12% and 15%, respectively.Breakout Biotech Stocks with Triple-Digit Profit PotentialThe biotech sector is projected to surge beyond $775 billion by 2024 as scientists develop treatments for thousands of diseases. They’re also finding ways to edit the human genome to literally erase our vulnerability to these diseases.Zacks has just released Century of Biology: 7 Biotech Stocks to Buy Right Now to help investors profit from 7 stocks poised for outperformance. Our recent biotech recommendations have produced gains of +50%, +83% and +164% in as little as 2 months. The stocks in this report could perform even better.See these 7 breakthrough stocks now>>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 Automatic Data Processing, Inc. (ADP): Free Stock Analysis Report Republic Services, Inc. (RSG): Free Stock Analysis Report Insperity, Inc. (NSP): Free Stock Analysis Report ICF International, Inc. (ICFI): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research