At the time, similar stores operated on credit, allowing customers to build a tab that would be paid periodically.

Cash sales were a sign of a growing working class earning steady paychecks, and they also helped lower prices by up to 25%.

[12] Weis closed its Albany Public Markets chain in October 1986, leasing the nine stores to Grand Union.

[19] In 2012, eastern expansion continued as Weis acquired three former Genuardi's stores from Safeway, in the Philadelphia suburbs of Conshohocken, Doylestown and Norristown, on June 16.

A philanthropist, Weis donated millions of dollars to charities, food banks, and other organizations in Sunbury, the Central Susquehanna Valley, and elsewhere.

Weis was a member of Sunbury's Congregation Beth El and he helped found the Department of Judaic Studies at Yale University.

[23] In July 2016, it was announced that Weis Markets entered into a purchase agreement with Ahold and Delhaize Group for 38 Food Lion locations in Maryland, Delaware,and Virginia as part of the divestiture of stores to gain clearance from the Federal Trade Commission for the impending Ahold/Delhaize merger.

[26] On July 19, 2018 Weis Markets opened a second store in Morris County NJ in the town of Randolph (where a former A&P used to operate before A&P's bankruptcy in 2015).

[27] The Weis supermarket located in Park Hills Plaza along U.S. Route 220 in Altoona, Pennsylvania, was the subject of a key 1960s United States Supreme Court case concerning the "public forum doctrine."

The Court held that a union picket in the supermarket parcel pickup area and parking lot was permissible because the "shopping center here is clearly the functional equivalent to the business district" of a city.

In the early hours on the morning of June 8, 2017, employees at a Weis Markets supermarket in Eaton Township, Pennsylvania, United States, were stocking and closing the store for the night.

Weis Markets owned a majority-stake in, and operated, a chain of pet supply warehouse stores called SuperPetz.