Stock futures hold steady after SandP 500 turns positive for the year  $tsla $msft $aapl $googl $goog $fb $nflx $v $ma $nymt $arb $oxy $hal $xom $cvx $shop $baba $jd $gs $t $viaca $uber $lyft $cprt #tech #futures #trading #stocks #WallStreet #dow #SP500