** Labware maker Tarsons Products NSE:TARSONS down 7.9% at 396.9 rupees after Q4 results
** Stock on track for worst day since February 2023, if losses hold
** Co reports 8.6% decline in Q4 profit before tax y/y due to higher raw material and labor costs
** Profit after tax down ~1% on lower tax bill
** With session's decline, shares down 3.78% in last 12 months, erasing all gains