Investments that preserve capital?

I’m turning 60 very soon and have most of my retirement money invested in stock mutual funds. I’m looking for some recommendations towards conservative investments that would preserve capital while providing some return (better than a CD or money market account). My portfolio is not back to the value it was prior to the 2008 meltdown but it’s only off about 15% so I feel now is the time to make an adjustment in my retirement account. I’m curious what are folks are doing that are in my age bracket.