Southeast Asian shares trade lower; Thailand debates amnesty billNov. 8, 2013 9:38 AM ET|By: Colin Lokey, SA News Editor Thai stocks (THD, TF, TTF) fall for a second day as investors nervously eye the senate, which is set to debate a controversial amnesty bill. The SET is off 1.4% in Bangkok. Also lower are Philippine shares (EPHE), as the PSEi slides 1.3% to a five-week low. Elsewhere: The Straits Times (EWS, EWSS) falls -0.8%.