There are very few kinds of labor that don't need some kind of material input to function. That material input comes from other labor that is mostly elsewhere. You can't assemble a transmission without steel and someone needs to make the steel, which necessitates the extraction of iron ore. Even an economy of e-mail jobs still needs computers to function. Even if labor doesn't need direct material inputs (like say a vocalists), the laborer still need food, clothing and shelter.
Maybe put some more of your allocation into bonds or cash like that other guy said, but I'd just leave it alone and not look at it. Don't expect a crash. Conditions have been worsening for decades, and for the most part the stock market has been on a tear. Fully expect it to continue being on a tear as conditions worsen until it can't. If there's a crash the govt will quickly bail-out the market because too many rich people from around the world use US public markets to hold their wealth. The govt will prop it up until the govt dead and in the ground. Once that happens, who knows if anyone is "retiring". Don't invest in gold. Especially not when everyone is scared.