SMHX is trading 1.73% higher at $61.08; no clear company-specific announcement or reliable report identified a catalyst for the September 29 move. - The latest reported backdrop was pressure on U.S. stocks from rising oil prices and Treasury yields after uncertainty over the U.S.–Iran peace proposal. - Monday’s broad-market decline does not explain Tuesday’s gain by itself; the supplied snapshot showed major indexes nearly flat and slightly lower.