By Jamie Chisholm Zoom and Microsoft are among those companies that could lose business, says Matthew Tuttle Europe is hitting the kills witch on some U.S. tech The nomination of Kevin Warsh to lead the Fed has taken the sails out of the idea that the U.S. dollar would sink. But Matthew Tuttle, chief executive of Tuttle Capital Management, thinks investors are missing the big issue regarding a shift away from U.S. assets. In a note released Monday, Tuttle says most investors have explained the r...