Here will I write every shop restock time I find.

~1/6 (Minute restocks on)
Appliances
Balloons
Chocolate
Costumes
Female Shoes
Glowing Eggs
Minipet Food
Minipet Shop
Pearls
School Supplies
Seeds
Sushi
Weapons

~2/7 (Minute restocks on)
Armour
Coffee
Bakery
Candy
Giant Vegetables
Gourmet Meat
Halloween Treats
Illegal Concocotions
Male Shoes
Pizza
Soft Drinks
Wallpaper
Wigs

~3/8 (Minute restocks on)
Books
Canned Food
Car Parts
Fast food
Furniture
Fruit
Giant Flowers
Hair dye
Ice Cream
Potions
Stars
Voodoo Dolls

~4/9 (Minute restocks on)
CDs
Charms
Cooking Ingredients
Female Clothing
Flooring
Giant Fruits
Lipstick
Magic
Medicine
Stamps
Toys
Trading Cards

~0/5 (Minute restocks on)
Batteries
Computer Parts
Contact Lenses
Cleaning Products
DVDs
Flowers
Frozen Foods
Male Clothing
Musical Instruments
Pots of Paint
Sunglasses
Tools
Vegetables