The political uncertainty in Thailand has depressed the nation's stock market, but CLSA expects that earnings of Union Frozen, a tuna and shrimp processor, will rise as much as 10% this year on improving sales and margins.

FORBES: Swimming in Prosperity

Next up: the European frozen-food and tuna businesses and Tegel, a New Zealand poultry producer.

FORBES: Magazine Article

In 1999 Johnson launched "Operation Excel, " shutting down 20 factories and selling the Weight Watchers business to better focus on foodstuffs--ketchups, condiments, sauces, canned tuna and jarred and frozen vegetables.

FORBES: Magazine Article

The FSA surveyed 336 fresh, frozen and processed sea fish and shellfish for mercury content, including trout, salmon, tuna, halibut, hoki, sea bass, lobster, mussels and prawns.

BBC: Predatory fish health warning