Shares of Waste Management, Inc. WM have gained 7.5% in the past six months compared with 5.3% rise of the industry it belongs to.The upside was primarily driven by shareholder-friendly steps and advanced waste collection and recycling techniques.Image Source: Zacks Investment ResearchReasons for UpsideThe waste management industry stands to benefit from the growing adoption of advanced waste collection and recycling techniques. Increasing environmental concerns, rapid industrialization, population explosion and expected increase in non-hazardous waste as a result of rapid economic growth are expected to enhance business opportunities for waste management.Companies are increasingly undertaking municipal solid waste and non-hazardous industrial waste recycling measures. Furthermore, government initiatives to introduce sustainable waste management mechanisms, reduce greenhouse gas emissions and put a check on illegal dumping are also expected to drive demand.Waste Management has a dominant market capitalization and a steady dividend as well as share repurchase policy. In 2021, 2020 and 2019, the company had repurchased shares worth $1.35 billion, $402 million and $248 million, respectively. It paid $970 million, $927 million and $876 million as dividends during 2021, 2020 and 2019, respectively. Waste Management plans to return significant cash to shareholders through healthy dividends and share repurchases in the future as well.Impressive Earnings HistoryDriven by the above tailwinds, the stock has surpassed its estimates in the past four quarters, the average being 6.5%.Zacks Rank and Stocks to ConsiderWaste Management currently carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Some better-ranked stocks in the broader Zacks Business Services sector are Automatic Data Processing, Inc. ADP and Cross Country Healthcare, Inc. CCRN.ADP carries a Zacks Rank #2 (Buy) at present. ADP has a long-term earnings growth expectation of 12%.ADP delivered a trailing four-quarter earnings surprise of 3.5%, on average.Cross Country Healthcare is currently Zacks #2 Ranked. CCRN has a long-term earnings growth expectation of 6%.CCRN delivered a trailing four-quarter earnings surprise of 10.1%, on average. Zacks Names "Single Best Pick to Double" From thousands of stocks, 5 Zacks experts each have chosen their favorite to skyrocket +100% or more in months to come. From those 5, Director of Research Sheraz Mian hand-picks one to have the most explosive upside of all. It’s a little-known chemical company that’s up 65% over last year, yet still dirt cheap. With unrelenting demand, soaring 2022 earnings estimates, and $1.5 billion for repurchasing shares, retail investors could jump in at any time. This company could rival or surpass other recent Zacks’ Stocks Set to Double like Boston Beer Company which shot up +143.0% in little more than 9 months and NVIDIA which boomed +175.9% in one year.Free: See Our Top Stock and 4 Runners Up >>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 Waste Management, Inc. (WM): Free Stock Analysis Report Cross Country Healthcare, Inc. (CCRN): Free Stock Analysis ReportTo read this article on Zacks.com click here.Zacks Investment Research