Top 3 Materials Stocks Which Could Rescue Your Portfolio For April

1. Oversold stocks in materials sector present buying opportunities. RSVIs below 30 indicate potential upside. 2. Arq Inc's stock fell 26% with an RSI of 28.1; CEO change noted. 3. Rayonier Advanced Materials reported better results; stock down 13% with RSI at 29.9. 4. Northern Technologies' stock dropped 26%, RSI at 14.1, impacted by trade and economic headwinds. 5. High sales potential noted for NTIC in the second half despite current challenges.