KUALA LUMPUR—Malaysia’s Top Glove Corp. Bhd posted on Friday a 48 percent drop in its fourth-quarter earnings as the steady rollout of vaccines worldwide pulled down the demand for gloves. The world’s largest medical glove maker recorded a net profit of 607.9 million ringgit ($145.88 million) during June-August, compared with 1.17 billion ringgit a year ago, lagging behind the 8.69 billion ringgit estimate by analysts in a Refinitiv poll. Revenue slumped 32 percent to 2.11 billion ringgit, a stock exchange filing showed. “[The quarterly] results were softer on the back of normalizing demand following mass vaccine rollout, leading to lower sales volume and [prices], which were not matched by a corresponding reduction in raw material prices,” the manufacturer said in a statement. A previous ban on imports to the United States also continued to hurt sales during the period. But the year-long ban, imposed on Top Glove for alleged forced labor …