$UMS HOLDINGS LIMITED(558.SI)$Semiconductor equipment manufacturing firm UMS Holdings has reported a staggering 593% surge in earnings for its 4QFY2021 ended December 2021. Its 4QFY2021 came in at $7.2 million, compared to $1.04 million in the same period a year ago. 4QFY2021 revenue came in at $87.2 million, a 98% jump compared to $44.1 million in 4QFY2020.