The penny stock’s surge showcases the extremes to which the retail mania has reached in the Philippines, home to one of the world’s worst-performing equity markets this year. MANILA: Abra Mining & Industrial Corp has no revenue and zero analyst coverage. Yet, the loss-making mining company’s stock has more than doubled in 2021 and is also the most-traded name in the Philippines. The penny stock’s surge showcases the extremes to which the retail mania has reached in the Philippines, home to one of the world’s worst-performing equity markets this year. Discouraged by the decline in the nation’s benchmark gauge, mom-and-pop investors have been loading up on speculative names in the hope of lucrative returns.