I would rather hold cash, thereby saving transaction costs and keeping powder dry for future investment in equities after a correction. (awealthofcommonsense.com)
At the least, consider keeping your powder dry with a mostly cash position. (morpheustrading.com)
Baking powder usually contains: cream of tartar + baking soda + cornstarch (the cornstarch is used to keep the powder dry when storing). (ditchthewheat.com)