said Wednesday that it will add six cities to those offering same-day delivery of millions of items. Baltimore, Chicago, Detroit, Tampa, Charlotte and Houston will offer the option throughout the day, with items ordered by midnight eligible for delivery by 8 a.m. The service is free for qualifying orders of more than $35 placed by Prime members. The e-commerce giant is also piloting a $9.95 grocery-delivery fee from Whole Foods to Prime members in Boston; Chicago; Manchester, N.H.; Portland, Maine; and Providence, R.I., starting Aug. 30, according to mediareports. An email was sent to impacted customers explaining that the fee is meant to cover operating costs. Grocery pickup will continue to be free for Prime subscribers. Amazon’s stock is up 3% for the year to date, while the S&P 500 index
is up 17.3% since the start of the year.