Total market cap of top 100 firms hits $20 trillion: Report
Total market valuation of 100 largest companies globally has increased by 15% since last year to $20 trillion, according to a report by auditing company PwC. The US retained leading position with 54 companies in top 100, accounting for 61% of total market capitalisation, the report said. Apple remained the most valuable company for seventh straight year, it added. 