Stocks to watch: LTC Corp, Keppel, Asti, Alliance Mineral, Perennial, Sinopipe

Asti Holdings and Advanced Systems Automation: Asti-owned Advanced Systems Automation plans to buy a group of companies in the semiconductor sector for S$10 million, the Catalist-listed unit said on Monday. It has entered into a sale and purchase agreement with one Seah Chong Hoe for Yumei …