** Apparel manufacturer Gokaldas Exports GOKL.NS tumbles 6.6% to 971.7 rupees
** Co says U.S. reciprocal tariffs pose a "formidable challenge", could spark business volatility, pressure margins
** Stock set to see worst day in nearly seven weeks
** GOKL adds, amid business uncertainty in near term, customers are reluctant to build inventory at unknown costs
** GOKL cautious over near-term capex
** Separately, GOKL's reports 27% rise y/y in Q4 revenue, profit after tax up 19%
** Textile exporters Arvind ARVN.NS and Vardhman Textiles VART.NS down 1.4% and 2.13% each on Thursday
** Including session's losses, GOKL trims 12-month gains to 17.3%
(Reporting by Ananta Agarwal in Bengaluru)
((Ananta.Agarwal@thomsonreuters.com))