Clients were net sellers of stocks in May, according to the TD Ameritrade Investor Movement Index. The gauge declined for a 2nd consecutive month to 5.02 from 5.31 previously. Clients were net buyers across the materials sector (XLB), but reduced exposure elsewhere. After steadily accumulating the stock for months, clients turned net sellers of Apple (AAPL). Other tech names seeing selling: MSFT, CSCO, INTC. Notable buying activity: TSLA, BRK.B, KMP, VALE, LINE.