Cochin Shipyard shares saw a sharp decline after the PSU reported a steep 48% YoY drop in Q2 net profit to Rs 101 crore, hurt by higher subcontracting costs and provisions, which surged fourfold year-on-year to Rs 21 crore, though they declined 37% sequentially. Revenue slipped 13% YoY, while EBITDA margin plunged to 5.9%.