Midday Report: Arconic Falls on Reports of Ties to Grenfell Fire; Tech Makes Turn Lower

Summary: The Nasdaq led losses on Wall Street as tech resumed a selloff that hit the sector mid-June. Healthcare was also under pressure ahead of an expected vote on the GOP repeal-and-replace bill later this week. Arconic Inc. slumped after being named as the producer of aluminum steel used in the Grenfell Tower. A fire at Glenfell Tower in the U.K. this month killed at least 79 people. Avis Budget Group Inc. rose after reaching a deal with Alphabet self-driving car branch Waymo to manage its fleet of vehicles. Avis will store the fleet in Phoenix where Alphabet is currently testing its driving technology. GrubHub fell after being downgraded to equal weight from overweight at Morgan Stanley. The firm pointed to increased online competition, including from Amazon.com Inc. .