The coronavirus pandemic has crashed the U.S. economy and brought certain industries to a near standstill —  including retail, entertainment, food and accommodations. Cities that have traditionally relied on these sectors to employ their citizens may be particularly vulnerable. A new LendingTree study ranks the 100 U.S. metro areas with the most retail establishments to see which ones stand to feel the biggest pinch. Researchers found that mid-sized cities are at greatest risk. Six of the top 10 cities are in the Sunbelt. Key findings Myrtle Beach, S.C. ,  has the highest concentration — 35.4% — of local businesses in the retail , entertainment, and food and accommodations sectors (the U.S. Census Bureau groups food services and accommodations as one sector). Salisbury, Md., is in second place . Nearly one-third of all businesses here (32.3%) are in one of the affected industries. Scranton, Pa., comes in third with 28.8% of establishments in vulnerable industries . Larger cities...