SMGB.L is trading at £86.89, up +3.04%, with no matching semiconductor-sector catalyst verified. - September 29 reporting showed several U.S. semiconductor ETFs lower intraday; the Philadelphia Semiconductor Index fell 1.61% on September 28, so the broader chip sector was not clearly rallying in step. - The fund tracks a U.S.-listed semiconductor index. Differing trading hours, constituents or currency effects could explain the move, but available evidence does not establish the driver.