Last week, Microsoft MSFT, -0.03% founder Bill Gates dropped some knowledge on his vast Twitter following and pointed college grads to artificial intelligence as one of the “promising fields where you can make a huge impact.” The future may, indeed, be rosy for those working with robots, but in the present, a life in scrubs looks to be the call if earning a big paycheck is a priority. As you can see by this map, health care is where the money’s at. In fact, the professions with the highest wages in each state across the country are all from the health-care sector, according to cost-estimating website HowMuch.net, which crunched data from the Bureau of Labor Statistics. For example, anesthesiologists
Through its partnership with Chinese online direct sales company JD.com (JD) , Walmart CEO Doug McMillon revealed on an earnings call Thursday that the retailer was able to launch one-hour delivery from 80 stores in China, faster than the two-hour service it provided last year. Walmart operates 433 stores in China, including 15 of its members-only warehouse format Sam's Club. Last June, Walmart announced its deal with JD, China's second-largest online retailer after Alibaba (BABA) , under which JD took control of Walmart's Chinese e-commerce business, although the U.S. retailer still operates all of its direct-to-consumer sales. The partnership was anticipated to better position Walmart in China, where historically it had trouble driving sales.

Staples (SPLS) execs may want to temper their enthusiasm on the office supplies giant's turnaround, at least until sales at physical stores start growing again. That is if they ever do. The company reported Tuesday that same-store sales, a key retail metric that measures sales from stores open longer than a year, plunged 6% in North America for the first quarter. Last year, Staples saw North America same-store sales drop 5%. The metric hasn't risen since 2006, when sales rose 3%. Like other bricks-and-mortar retailers, Staples has battled a consumer shift to buying merchandise online at places such as Amazon (AMZN) . As a result, the company has aggressively closed stores to try and bolster