UBS finance chief Todd Tuckner voiced his disappointment on Wednesday over proposed new Swiss capital regulations.
Analysts at firms including Barclays Plc and JPMorgan Chase & Co. see further upside for US stocks.
The past few weeks have been relatively calm in financial markets as investors wait to assess the resilience of the U.S. economy.
State securities regulators reached settlements with Edward Jones, LPL, and three other firms after allegations of unreasonable commission charges.