David Coombs, head of multi-asset investments at Rathbones, has decided to "reappraise his views" on the US after a trip to New York convinced him of the economy's growth potential.
The FBI is investigating whether insider trading took place in Heinz shares ahead of the food giant's historic deal with Warren Buffett's Berkshire Hathaway.
AXA Framlington American Growth managers Stephen Kelly and Dan Harlow have cut their position in Apple after growing concerned over margin pressures at the world's largest tech firm.
Schroders has promoted Karl Dasher to head of North America, replacing Jamie Dorrien-Smith who is retiring in July after 19 years of service at the firm.
US fund managers who avoided technology giant Apple in the final quarter of last year have raced to the top of the IMA North America sector after the company endured a fierce sell-off.
Warren Buffett's Berkshire Hathaway has agreed to buy Heinz for $23bn, a 20% premium to yesterday's closing share price.
Henderson has hired a team of US credit specialists with a view to building out its offshore US product range.
Bill Gross, manager of the world's largest bond fund, has compared the US economy to a supernova on the path to extinction as it has become too reliant on credit and real growth is being eroded.