Vanguard Group VFH Investment Merit Analysis of the Vanguard Financials Index Admiral VFAIX Mutual Fund AIM ImmunoTech Q4 loss widens as earnings miss targets by 48 percent shares fall 39 percent Should I buy Tandem TNDM stock Tandem posts 88 EPS beat revenue tops 1 billion Vanguard SmallCap Index Fund VB Is the Admiral Share Class VSMAX a Compelling Mutual Fund Pick for 2026 BioGreen Med BGMS Stock Why Inorganic Growth Breakout Watch 20260420