瑞银(UBS.N)预计于7月1日启动新的股份回购计划，至多回购20亿美元的股份。

Core Viewpoint - UBS is set to initiate a new share buyback program on July 1, with a maximum repurchase amount of $2 billion [1] Group 1 - UBS plans to start the share buyback program on July 1 [1] - The total amount allocated for the share buyback is up to $2 billion [1]