BOSTON, Sept 19 (Reuters) - 3M Co : * CEO says "economic environment has changed" since the company adopted its
long-term 7-8 percent organic revenue growth target, now views that range as
"stretch target" * CEO expects "fewer, but slightly bigger" acquisitions by company in future * CFO says company working to address U.S. justice department's objections to
planned Avery Dennison Corp office products group acquisition, but "we have a contract that
remains in place"