After reaching an important support level, Nexa Resources S.A. (NEXA) could be a good stock pick from a technical perspective. NEXA surpassed resistance at the 200-day moving average, suggesting a long-term bullish trend.The 200-day simple moving average is a useful tool for traders and analysts, establishing market trends for stocks, commodities, indexes, and other financial instruments over the long term. The marker moves higher or lower along with longer-term price moves, and serves as a support or resistance level.Shares of NEXA have been moving higher over the past four weeks, up 22.6%. Plus, the company is currently a Zacks Rank #1 (Strong Buy) stock, suggesting that NEXA could be poised for a continued surge.Looking at NEXA's earnings estimate revisions, investors will be even more convinced of the bullish uptrend. There have been 2 higher compared to none lower for the current fiscal year, and the consensus estimate has moved up as well.With a winning combination of earnings estimate revisions and hitting a key technical level, investors should keep their eye on NEXA for more gains in the near future. Tech IPOs With Massive Profit Potential In the past few years, many popular platforms and like Uber and Airbnb finally made their way to the public markets. But the biggest paydays came from lesser-known names. For example, electric carmaker X Peng shot up +299.4% in just 2 months. Think of it this way… If you had put $5,000 into XPEV at its IPO in September 2020, you could have cashed out with $19,970 in November. With record amounts of cash flooding into IPOs and a record-setting stock market, this year’s lineup could be even more lucrative.See Zacks Hottest Tech IPOs Now >>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 Nexa Resources S.A. (NEXA): Free Stock Analysis Report To read this article on Zacks.com click here.