Ever since the 1997 Asian Financial Crisis, investors have kept a close eye on financial developments in Thailand as canary in the Asian financial conditions coalmine, and overnight there was little to look forward to after Thai stocks crashed the most in over a year, plunging as much as 6.9% before settling 4.1%, lower while the baht currency tumbled 1.1%, its steepest plunge in three years. The Thai stock market was the worst performing in Asia, with the sharp selloff attributed to concerns about the health of the king and “sudden” fears about the prospect of a December rate hike.