Start a top-down approach with these 15 strongest 1-month relative strength groups following Monday's tech sell-off. $First Trust Dow Jones Internet Index Fund(FDN)$ - Internet $Global X Cloud Computing ETF(CLOU)$ - Cloud $Roundhill Sports Betting & iGaming ETF(BETZ)$ - Betting $KraneShares CSI China Internet ETF(KWEB)$ - China Tech $iShares China Large-Cap ETF(FXI)$ - China $INVESCO LEISURE AND ENTERTAINMENT ETF(PEJ)$ - Leisure $WisdomTree Cloud Computing Fund(WCLD)$ - Cloud