Low food prices and razor-sharp competition are creating bargains for shoppers -- but killing profits for grocery chains. At the same time, supermarkets are destroying their profit margins as they fight for new shoppers -- and fight off deep discounters like Walmart and online sellers. It becomes a spiral. As food prices fall, retailers become more aggressive.

San Francisco fashion boutique Modern Appealing Clothing has sued Ivanka Trump's company. The class action lawsuit claims Ivanka Trump has gained an unfair advantage in the marketplace "from Donald J. Trump being the President of the United States and from Ivanka Trump and her husband, Jared, working for the President of the United States."

The chief marketing officer of J.C. Penney is quitting the company after two years on the job. Mary Beth West is leaving the department store retailer on March 31 to become senior VP and chief growth officer of the Hershey Co. She will join Hershey on May 1. West joined Penney in April 2015 after serving on the company's board of directors for 10 years.

Cheerios is sending free wildflower seeds to anyone who signs up on their website to help save the bees. Bees, which play a critical role in our food supply, are dying globally at an alarming rate. The cereal brand pledged to send out 100 million wildflower seeds in partnership with Veseys Seeds as part of a campaign called #BringBacktheBees.

Carnivores cringed last month when President Donald Trump poured ketchup on a $54 dry-aged steak. Condiment giant Heinz may be hoping the president's taste buds set off their own economic red crusade around the ketchup-maker. The company has launched a month-long advertising campaign with the simple words, "Pass the Heinz."

The NCAA men's basketball tournament is a case study in what sports marketing looks like when the athletes are off limits. There are 18 official sponsors, including Wendy's and Pizza Hut. The NCAA, however, strictly prohibits the names or likenesses of the college athletes from being used in advertising for products or services.

Reggie Miller, a former NBA star and now a member of the CBS/Turner Sports broadcast crew, drinks Coca-Cola, sleeps late and is a messy eater whose favorite song is "Kiss From a Rose" by Seal. We know this because Miller shares that information in a new campaign from Amazon Echo that is breaking during March Madness.

New Kia work features one of the brand's most prominent endorsers, LeBron James, and includes a new theme, "Doubt No More." The spot could be misperceived as a commercial for the NBA Finals, but the idea is quickly apparent; that the world is full of doubters and naysayers and it's always good where there is an opportunity to prove them wrong.

The proliferation of drug ads has generated new controversy, in part because the ads inevitably promote high-priced drugs, some of which doctors say have limited practical utility for the average patient-viewer. Critics say the ads encourage patients to ask their doctors for expensive, often marginal drugs that are fueling spiraling health care spending.

McDonald's is testing new mobile order and pay technology that it plans to roll out nationwide at 29 restaurants in California and 51 in Washington. The fast-food chain will offer the option through its mobile app. McDonald's plans to roll out the technology to all 14,000 of its U.S. restaurants starting in the last three months of this year.