For long-term investors wiling to brave near-term market volatility in pursuit of strong returns, now could be a great time to build foundations for the next bull market. If you're on the hunt for growth stocks trading down big from their highs, read on to see why two Motley Fool contributors believe Snowflake (NYSE: SNOW) and Airbnb (NASDAQ: ABNB) have what it takes to deliver big wins for shareholders.