SoundHound AI Inc SOUN stock skyrocketed 713% this year and 173% this month.The company, which specializes in voice AI technology, is trading at an all-time — and 52-week high — of $17.29 on Friday. Chart created using Benzinga ProSOUN stock's technical signals are flashing green across the board. Trading well above its eight, 20 and 50-day simple moving averages, SoundHound is in strongly bullish territory.Key indicators like its relative strength index (RSI) of 80.89 may point to an overbought status, bu ...