Roundup: Advertising spending / Bayer expansion / FCC investigating T-Mobile By Deanna B. Narveson - June 16, 2020 FacebookXLinkedinEmailPrint Sliding: U.S. advertising spending is expected to plunge by 13% this year, the world’s largest ad buyer says, the latest sign of the toll the coronavirus pandemic is taking on businesses and economi… Already an INSIDER? Sign in.