What happened Shares of EPAM Systems (NYSE: EPAM), a leading provider of digital platform engineering and software development services, soared 20.4% last month, according to data from S&P Global Market Intelligence. The stock is up 77.2% in 2019 through Dec. 3, making it one of the better performing large-cap tech stocks. For context, the S&P 500 index returned 3.6% in November and has returned 25.7% so far this year. Image source: Getty Images. So what We can attribute EPAM Systems stock's strong performance last month largely to the company's Nov. 7 release of third-quarter results that beat Wall Street's expectations, along with management's increasing its guidance for full-year adjusted earnings per share (EPS). Shares popped 6.7% following the release and continued to move upward throughout the month. In Q3, EPAM's revenue jumped 26% year over year to $588.1 million. On a generally accepted accounting principles (GAAP) basis, EPS edged up 1% to $1.16, while adjusted EPS rose 19% to $1.39. That result beat the $1.33 analyst consensus estimate. Now what EPAM issued fourth-quarter guidance. It also raised its full-year adjusted EPS outlook and reiterated its full-year revenue and GAAP EPS guidance as follows: Metric Q4 2019 Guidance Projected Year-Over-Year Change Full-Year 2019 Guidance Projected Year-Over-Year Change Revenue At least $616 million At least 22% Number not specified. At least 23% GAAP EPS At least $1.19 At least 13% $4.43 At least 5% Adjusted EPS At least $1.43 At least 12% $5.35 (Previously was $5.25) At least 22% Data source: EPAM Systems. 10 stocks we like better than EPAM SystemsWhen investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has quadrupled the market.* David and Tom just revealed what they believe are the 10 best stocks for investors to buy right now... and EPAM Systems wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of June 1, 2019 Beth McKenna has no position in any of the stocks mentioned. The Motley Fool owns shares of and recommends EPAM Systems. The Motley Fool has a disclosure policy.Source