The stock market opened the week on a negative note yesterday as investors begin to cash in on previous gains recorded in the last five sessions. Consequently, the market capitalisation of listed equities declined by N38 billion from N9.059 trillion on Friday to N9.021 trillion, representing 0.4 per cent decline. Similarly, the All Share Index, ASI, fell by 0.4 per cent to settle at 26, 217.18 points from 26,328.22 points, thereby worsening the year-to-date loss by 2.4 per cent.