APL Apollo Tubes (APL) reported better than expected profitability for Q1FY21 as its EBITDA/net profit were 27%/25% higher than our estimates. APL's net sales decreased by 45.9% YoY to Rs11 bn due to fall in sales volumes by 39% YoY to 238 kt. Despite weak sales, the company held on to its margins (EBIDTA /tonne fell only 4.3% YoY to Rs3,191). Its EBITDA, however, fell 43.1% YoY to Rs711 mn. Interest expense fell 25.1%...