TransUnion TRU is currently benefitting from a strong business model and strategic buyouts that are boosting the top line.Shares of the company have gained 3% on a year-to-date basis compared with the industry’s rise of 2.3%. With expected long-term earnings per share (EPS) growth rate of 8.1% and a market cap of $10.9 billion, it is a stock that investors should retain in their portfolios now.Factors Driving TransUnion’s PerformanceTransUnion’s successful acquisition strategy has played a vital role in its growth in the past five to six years. The strategy focuses on investment in unique and differentiated data assets, acquiring new capabilities for expanding in vertical markets and expanding international footprints.So far in 2018, TransUnion has acquired Callcredit, iovation and Healthcare Payment Specialists. These buyouts are expected to help the company with new market entry and portfolio diversification, moving ahead. In October, the company inked a deal to purchase Rubixis, a healthcare revenue cycle solutions company.This acquisition is expected to place TransUnion as a competitive player in the post-discharge revenue recovery market. Some notable buyouts of TransUnion in 2017 include DataLink services, FactorTrust and eBureau. All these acquisitions are contributing significantly to the top line.TransUnion possesses an attractive business model with highly recurring and diverse revenue streams, significant operating leverage, low capital requirements as well as strong and stable cash flows. The inherent nature and significance of its solutions in customers’ decision-making endow it with high customer retention and revenue visibility.A strong business model enables the company to serve a diverse range of customers across multiple geographies and verticals.TransUnion Price, Consensus and EPS Surprise TransUnion Price, Consensus and EPS Surprise | TransUnion QuoteWrapping UpIn spite of significant growth prospects, TransUnion is not free from headwinds. It has a debt-laden balance sheet that may limit expansion in the future and worsen its risk profile. Moreover, the company’s operating segments experiences seasonality that causes considerable fluctuations in revenues and profits. Nevertheless, we believe that strategic buyouts are likely to boost the company’s top line across all operating segments.Zacks Rank & Stocks to ConsiderCurrently, TransUnion carries a Zacks Rank #3 (Hold). You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.A few better-ranked stocks in the Zacks Business Services sector are BG Staffing, Inc. BGSF, Booz Allen Hamilton Holding Corp. BAH and The Interpublic Group of Companies, Inc. IPG, each carrying a Zacks Rank #2 (Buy).The long-term expected EPS (three to five years) growth rate for BG Staffing, Booz Allen and Interpublic is 20%, 14.4% and 7.6%, respectively.3 Medical Stocks to Buy NowThe greatest discovery in this century of biology is now at the flashpoint between theory and realization. Billions of dollars in research have poured into it. Companies are already generating revenue, and cures for a variety of deadly diseases are in the pipeline.So are big potential profits for early investors. Zacks has released an updated Special Report that explains this breakthrough and names the best 3 stocks to ride it.See them today for 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 TransUnion (TRU): Free Stock Analysis Report Interpublic Group of Companies, Inc. (The) (IPG): Free Stock Analysis Report BG Staffing Inc (BGSF): Free Stock Analysis Report Booz Allen Hamilton Holding Corporation (BAH): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research