The prosecutor's office also said it appears company crowd control measures "improved significantly since last year."
In California, a Walmart store in Upland closed its doors for several hours after shoppers began fighting over merchandise. Lt.
Jim Etchason said officers were called about 2:44 a.m. and helped herd customers into the parking lot.
No arrests were made, Etchason said, and groups of customers were allowed back inside by 6 a.m.
San Bernardino County sheriff's spokesman Jodi Miller said another scuffle was reported at a Walmart in Rancho Cucamonga, Calif., but deputies did not find any disturbances.
Wal-Mart Stores Inc. said in a statement earlier Friday that it was getting positive feedback from its customers and employees nationwide.
