Investors will track a range of corporate developments, including leadership changes, capacity expansion plans, new orders, project commissioning, regulatory updates and strategic investments. 29 -- The electronics manufacturing services (EMS) sector is attracting attention as companies benefit from rising electronics demand, smartphone manufacturing, and increasing. Stocks in the Electronics Manufacturing Services (EMS) sector rallied sharply in Thursday's session after the government waived the basic customs duty (BCD) on goods used in the.