TOKYO -- For ages, makers of premium souvenir sweets in Japan have adhered to one rule: Never stray from local markets.
Premium makers ditch exclusivity as tourist slump batters bottom lines

The once-exclusive Tokyo Banana sponge cakes are now available outside the capital for the first time.
TOKYO -- For ages, makers of premium souvenir sweets in Japan have adhered to one rule: Never stray from local markets.