Is there a way to get investors to gradually Invest so the market goes up a little Each day without big sell offs? It would look better.?

Yes, you just tell them. Then sit back & see if they listen.

That is the purpose of a 401k. 

Give everybody a steady income and make 401(k) plans opt-out instead of opt-in.

You are quite confused about how/why stock prices go up or down.

Stocks are bought every single day the market is open whether it goes up by 5% or down by 10%.  

What's the problem with a sell-off?   Don't you like to get good stuff at a discount?

Yes, you just tell them. Then sit back & see if they listen.