Tokyo 2020 organizers said on Friday they were moving ahead with preparations to hold "safe and secure" Games on schedule, after U.S. President Donald Trump said officials should consider delaying the event for one year amid the coronavirus pandemic.

Japan has sought to squash speculation that the event, which has cost it at least $12 billion (£9 billion) in preparations and attracted more than $3 billion in domestic sponsorships, could be cancelled or postponed as the coronavirus cases grow worldwide, including in Japan.

The following charts show how market prices and valuations of these firms have changed in the past couple of months.

(Graphic: Japan's Olympics-involved stocks - )

(Graphic: Valuations of Olympics-involved stocks - )

(Graphic: Analyst revisions over the past two months - )

(Graphic: Japan domestic sponsors' price performance - )

(Graphic: Olympics-involved stocks vs Broader indexes - )

(Reporting By Patturaja Murugaboopathy; Editing by Vidya Ranganathan and Shailesh Kuber)