Black Friday cast a few clouds over the year’s biggest shopping event. Early data from RetailNext reveals in-store traffic on Black Friday dipped 3.6% year-over-year. The reason? Shoppers are delaying big purchases and prioritizing essentials, analysts say. Initial data from the leading in-store traffic analytics provider said in-store foot traffic took a 5.3% year-over-year plunge across Black Friday and Saturday. For health and beauty, in-store traffic saw decreases of 2.1% and 9.6%, res...