Share this article Share this article ATLANTA, April 13, 2021 /PRNewswire/ -- One year ago, the commercial real estate industry suffered a steep decline in building activity as COVID-19 turned skyscrapers into vertical ghost towns. But according to the TK Elevator Index Powered by MAX, the industry's most accurate urban mobility analysis tool, elevator activity has now returned to 71% of pre-COVID levels as tenants and visitors increasingly return to buildings. The TK Elevator Index Powered by MAX is a monthly indicator of average elevator activity across the U.S. The proprietary data platf...