Weir surges as strong orders underpin full-year guidance Proactive uses images sourced from ShutterstockWeir Group PLC (LSE:WEIR) shares jumped 7.8% to 2,720p after strong second-quarter orders and an improving product mix underpinned its full-year guidance. Orders rose 8% at constant currencies to £1.43 billion in the first half, including a 10% increase in original equipment and 8% growth in aftermarket products. Revenue increased 5% at constant currencies to £1.27 billion, although adjusted operating profit was flat at £239 million. It expects full-year margins above 20% and remains on track for £90 million of cumulative efficiency savings. With full-year guidance unchanged "there are many moving parts, so might there be some trims, particularly on FY margins.