The tech sector has a reputation for taking all the oxygen in the markets – and for good reason. Tech stocks are the go-to thing in the today’s economy, where profitability is based on digital information. That’s just where the money is. And the numbers show it, as far as they can. Just two of the biggest tech companies, Apple and Microsoft, brought in a whopping 15% of the total return on the S&P 500 last year. It was truly an impressive performance. But for return-minded investors, the tech giants are not the only game in town. The small- to large-cap companies may not generate the buzz and the headlines, and their share of the broader market may not match the giants’, but Wall Street’s analysts say they are upward bound. With that in mind, we’ve used the TipRanks Stock Screener to search the database for smaller tech stocks with unanimous Buy ratings and better than 20% upside potential. Let’s take a closer look. Harmonic, Inc. ( HLIT ) The rise of the digital world has brought video content to the fore.