Finnish forestry company UPM said on Thursday it sees headwinds and extra costs ahead from disrupted global supply chains, leaving investors disappointed with its growth expectations for the first half of the year.  The pulp, paper and biofuel maker saw its shares sink more than 6% after announcing a flat earnings outlook for the first half of the year while also reporting fourth-quarter core earnings below forecasts.  Global supply chain issues caused the company to announce a delay in the start-up of its new Uruguay pulp mill to the end of first quarter 2023 ...