As the supply chain disruption continues, about half of all small businesses in the U.S. have been significantly impacted, according to the latest survey released by the National Federation of Independent Business (NFIB). The NFIB Research Center found small businesses in the nation are facing two major challenges—labor shortages and supply chain disruptions—which might continue to be a problem during the holiday season, according to NFIB Chief Economist Bill Dunkelberg. With the ongoing port backlog in Los Angeles, the survey shows 48 percent of small businesses are experiencing supply chain disruptions, with 62 percent of them reporting worsening situations compared to three months ago. The nationwide supply chain disruption has been affecting various goods, including holiday supplies and household products, according to Sandy Rosco, executive director of the San Gabriel Chamber of Commerce. With more than 100 cargo ships stranded at sea, small and medium-sized businesses will be hit hard, …