Online spending soared $24.1 billion across U.S. retailers during the stretch from July 8 to 11 – dubbed "Black Friday in Summer", outpacing Adobe Analytics' prior forecast, as eager shoppers rushed to snap up deep discounts on back-to-school essentials.

Breakfast cereal could use a lucky charm. U.S. sales of the colorfully packaged morning staple have been in a decades-long decline.

Most of the tax-free shopping days give a break on sales tax for items related to school like clothing, shoes, electronics and supplies. Two states, Ohio and Massachusetts, extend their sales-tax holiday to include more than back-to-school items.

NBC News is tracking the prices of common purchases ahead of major discounting by Amazon, Walmart and other retailers, and as Trump’s global levies threaten to take hold.

Kirkland Signature is now bigger than some of the world’s biggest companies—and it has become essential to Costco’s business.

By Sam Li and Lewis Jackson LANGFANG, China (Reuters) -Electric-powered heavy trucks are rapidly gaining market share in China, driven by subsidies and the quick rollout of chargers, further curbing diesel usage and denting oil demand from the world's biggest crude importer.

When buyers need to be more cautious about corporate spending, it helps when sellers can demonstrate ROI and showcase specific results tied to value.