Medical stocks continue to be solid performers in the latest market uptrend, with many scoring 52-week highs in recent sessions. In Friday’s Sector Leaders screen, three stocks hailed from the medical space — the most from the 33 sectors that IBD tracks. Alexion Pharmaceuticals (ALXN) is trading mostly sideways after hitting a new high earlier this month. The stock is extended from a 179.69 buy point from a handle cleared in heavy trading Oct.