https://www.reuters.com/article/us-tesco-grocery/tesco-to-offer-free-grocery-delivery-in-amazon-challenge-telegraph-idUSKBN25K1LI >U.K.-based retailer Tesco PLC TSCO.L will offer free grocery delivery in a bid to head off Amazon.com's AMZN.O attempt to break into the British online grocery market, according to the Telegraph.