Seafood giant Thai Union's share price rose 14 percent in the first four weeks of 2019 alone, amid optimism about reduced tuna price volatility and after the European Commission lifted its "yellow card" against Thailand fishing industry.

The company's shares traded at THB 18.60 (€0.52/$0.59) on Monday, up from THB16.20 (€0.45/$0.51) when the gavel came down to signal the start of the year.

The company is expecting less price volatility this year than in 2018 due to a better anticipated catch and a more stable fishing cost outlook.