Yes, Geico is once again radio’s number one advertiser according to Media Monitors, running a total of 44,833 spots last week. But Walgreen’s has moved up to second place to be the nearest challenger, though still a little ways back with 33,257 spots. McDonald’s (27,156), Seriously (26,019), and Walmart (24,561) each moved up a position or two to claim third, fourth, and fifth positions respectively. JC Penney was the biggest mover of the week among the leading advertisers, going from 39th position to seventh.