Oops, it doesn't look like 'stock open day' is a national day..

Other days

bounce

Bounce Day
healing

Healing Day
youth

Youth Day
nae nae

Nae Nae Day
pampering

Pampering Day
frozen yogurt

Frozen Yogurt Day
buddy

Buddy Day
get funky

Get Funky Day
kiss a ginger

Kiss A Ginger Day
girl friend

Girl Friend Day