When senior staff buy their own company’s shares during layoffs, they’re signaling that a turnaround will succeed. AP Photo/Richard Drew   D. Brian Blank, Mississippi State University; Dallin Alldredge, Florida International University, and Lee Biggerstaff, Miami University It’s a mantra amon g business executives that slashing their workforce will streamline operations and increase productivity – a […] The post Some kinds of insider trading are perfectly legal – and they offer useful signals about a company’s health first appeared on Miami's Community News. ...read more read less