BREAKING: Futures Rise Amid China Trade Deal Hopes Penumbra (PEN) on Sunday unveiled results of a "landmark" study that showed its Lightning Flash device is superior to blood thinners, alone, in patients with pulmonary embolism. The results could reshape how hospitals think about patients with intermediate-high risk blood clots in their lungs, Dr. Robert Lookstein, professor of radiology and surgery at the Icahn School of Medicine at Mount Sinai, told Investor's Business Daily. He was one of the primary inv ...