Singapore, Jan. 24 -- Regional investors were largely unmoved by Wall Street's slightly positive performance on Wednesday after some United States firms turned in robust financial results. They remain unsettled over how the Wuhan coronavirus might spread across the Chinese New Year holidays.

The uncertainty left the Straits Times Index (STI) mired in the red yesterday. It closed at 3,234.56, down 19.37 points or 0.6 per cent. North-east Asian benchmarks in China, Hong Kong, Japan and South Korea averaged falls of 1.5 per cent.

The virus draws parallels to the Sars epidemic and investors are rightfully concerned though the Chinese authorities have been steadfast in containing the spread by putting Wuhan in quarantine.

With that in mind...