A wise investment decision involves buying well-performing stocks at the right time while selling those that are at risk. A rise in share price and strong fundamentals signal a stock’s bullish run.Automatic Data Processing, Inc. ADP, an outsourcing company, performed extremely well over the past year and has the potential to carry the momentum forward. Therefore, if you have not taken advantage of the share price appreciation yet, it’s time you add the stock to your portfolio.Here's why is ADP an attractive pickAn OutperformerA glimpse of the company’s price trend reveals that the stock has had an impressive run on the bourse over the past year. ADP has returned 23.5%, which compared favorably with the industry’s increase of 7.5%.Solid RankADP has a Zacks Rank #2 (Buy). Our research shows that stocks with a Zacks Rank #1 (Strong Buy) or #2 offer attractive investment opportunities for investors. You can see the complete list of today’s Zacks #1 Rank stocks here.Northward Estimate RevisionsOver the past 60 days, 10 estimates for fiscal 2019 moved north versus no southward revisions, reflecting analysts’ confidence in the company. Over the same period, the Zacks Consensus Estimate for the year increased 1.9%.Positive Earnings Surprise HistoryADP has an impressive earnings surprise history. The company outpaced the consensus mark in all of the trailing four quarters, delivering a positive average earnings surprise of 7%.Solid Growth ProspectsThe Zacks Consensus Estimate for fiscal 2019 earnings is pegged at $4.27, reflecting year-over-year growth of 21.2%. Moreover, earnings are expected to register 12.7% growth in fiscal 2020. The stock has a long-term expected earnings growth rate of 12.5%.Growth FactorsADP continues to innovate, improve operations and invest in ongoing transformation efforts. As part of the transformation initiative, the company launched differentiated "Next Gen" platforms to strengthen its position in HCM innovation and improving its U.S. up-market and international product suite. Other notable transformation-related achievements include accelerated DataCloud penetration, higher investment in inside sales, mid-market migrations, service alignment initiatives and voluntary early retirement program.Automatic Data Processing, Inc. Revenue (TTM) Automatic Data Processing, Inc. Revenue (TTM) | Automatic Data Processing, Inc. Quote ADP is expanding ongoing transformation through several broad-based initiatives. These include Go-To-Market initiatives like data-enabled market insights and streamlined support, Service Initiatives encompassing automated service enabler tools and optimized service locations, Product & Portfolio Initiatives including ongoing client upgrades and infrastructure optimization, and Operations & Support Initiatives such as procurement and pay-for-performance programs. Transformation initiatives enable the company to expand margins and improve innovation abilities.ADP is reinforcing stake in the global human capital management (HCM) market on the back of strategic acquisitions like Celergo, WorkMarket, Global Cash Card and The Marcus Buckingham Company. These buyouts are expected to strengthen the company's customer base and help it expand operations in international markets.ADP has a strong business model, high recurring revenues, good margins, robust client retention and low capital expenditure. Moreover, it has a strong cash generating ability that allows it to pursue growth in areas that exhibit true potential.Other Stocks to ConsiderA few other top-ranked stocks in the Zacks Business Services sector are WEX Inc WEX, Total System Services, Inc TSS and The Interpublic Group of Companies, Inc. IPG, each carrying a Zacks Rank #2.The long-term expected EPS (three to five years) growth rate for WEX, Total System Services and Interpublic Group is 15%, 14.2%, and 7.4%, respectively.Today's Stocks from Zacks' Hottest StrategiesIt's hard to believe, even for us at Zacks. But while the market gained +21.9% in 2017, our top stock-picking screens have returned +115.0%, +109.3%, +104.9%, +98.6%, and +67.1%.And this outperformance has not just been a recent phenomenon. Over the years it has been remarkably consistent. From 2000 - 2017, the composite yearly average gain for these strategies has beaten the market more than 19X over. Maybe even more remarkable is the fact that we're willing to share their latest stocks with you without cost or obligation.See Them 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 Interpublic Group of Companies, Inc. (The) (IPG): Free Stock Analysis Report WEX Inc. (WEX): Free Stock Analysis Report Automatic Data Processing, Inc. (ADP): Free Stock Analysis Report Total System Services, Inc. (TSS): Free Stock Analysis Report To read this article on Zacks.com click here.