I get to keep my stuff! Good old reliable Miko.

333 Miko ($999)
$1 left to spen.

She's bound to do something soon. I see that you plan updates "on occasion" or "Sunday". Please use occasion as often as possible. The problem with the Sunday price can be best seen with lower value stock like Miko. As soon as Miko does something prices go up, everyone sells, prices go down to near zero on Sunday, then everyone buys them again, prices skyrocket next sunday, everyone sells, prices go to nearly zero again next sunday etc, etc.

The occasion bit will put some randomness in this.