SPDR Kensho Final Frontiers ETF (NYSEARCA:ROKT) shares were up 1.6% during mid-day trading on Tuesday . The stock traded as high as $31.40 and last traded at $31.10, approximately 6,100 shares were traded during trading. A decline of 25% from the average daily volume of 8,109 shares. The stock had previously closed at $30.60. The […]