Rock bottom? Thai auto-parts shares unwind gains from past year

GRAPHIC: Thai auto-parts shares: http://link.reuters.com/nyb25w By Viparat Jantraprap BANGKOK, July 6 (Reuters) -- Thai auto-parts shares have unwound all the gains that they made in the past 12 months as heavily indebted households in Southeast Asia's second-biggest economy tightened their purse-strings and refrained from new purchases.