Select Medical (SEM) is down -45.2%, or -$17.49 to $21.21. Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on SEM: Select Medical falls -45.5% Select Medical falls -46.2% One new option listing and two option delistings on November 26th Concentra announces completion of spin-off from Select Medical Select Medical downgraded to Hold at Benchmark after Concentra spin