Moving Average Crossovers: Filtering Out Whipsaws - 4 Methods  $SPY $QQQ $DJIA $DIA #stockmarket #investing #finance #stocks #gold #silver $SLV $TWTR $GLD $AAPL $TSLA $AMZN $NFLX $AMD $INTC #economy $BTC $CGC $CRON $APHA $ACB $HEXO $MU $NVDA $NIO $BA $BAC