Making them stretch?

[texas grass]

I've read a lot of bad things about making your plants stretch. Mine are pretty developed. I'm doing a rubbemaid tote grow.
I intended for them to be mini, but most are quite small all under 6 inches (but all have 5-7 nodes at the least some maybe 9-10)

I know my yield might suffer from this or at least that's what I've read.

I'd like to gain at least another 3-4 inches before Veg is over.

Would taking them out of the box and placing them under a single CFL about 2 feet away stretch them?

you mainly got 6" plants and you have anywhere from 5-10 nodes. you shouldnt loose yeild there, that should give a good solid bud on a stick. when you switch the lights to 12/12 you plants will most likely double in size.