Sales on Black Friday rose from a year earlier, according to a key data provider — a sign that US consumers are continuing to spend despite persistent economic concerns.Retail sales, excluding autos, increased 4.1% on the day after Thanksgiving, according to data from Mastercard SpendingPulse. That surpasses last year’s 3.4% growth. The figures, which are not adjusted for inflation, draw from both online and in-person purchases to give a broad view of economic activity. The data shows US shoppers’ resilienc ...