Armada Acquisition Corp II XRPN Minimal Movement Amid SPAC Stability Key Levels to Watch Vanda Pharmaceuticals VNDA Shares Rise 375 as Stock Tests Key Resistance Spok Holdings SPOK Edges Lower Testing Support Zone Amid Low Volatility Cohen Steers Infrastructure Fund UTF Edges Higher as Infrastructure Demand Remains Steady Putnam Municipal Opportunities Trust PMO Edges Higher Amid Stable Income Demand