STOCKHOLM—Swedish fashion group H&M drew a line under the pandemic on Friday, reporting a bigger than expected jump in quarterly profit and hiking investments with the aim of doubling sales by 2030. Shares in the world’s second-biggest clothing retailer leapt 5 percent in early trade after it said it would double investments in 2022 to around 10 billion Swedish crowns ($1.1 billion) to help achieve its new target. Spending will focus on areas including technology, the supply chain, renewable energy, and sustainable materials, it said. “We ended the year strongly, with sales back at the same level as before the pandemic and with profitability better than it has been for several years,” CEO Helena Helmersson said. “Now that we are back to a more normalized situation with a strong financial position and good profitability, we can fully focus on growth again.” Pretax profit in September–November—H&M’s fiscal fourth quarter—leapt 64 percent …