SE Asia Stocks-Retreat tracking Asia; global oil woes weigh
BANGKOK, Jan 21 (Reuters) - Southeast Asian stocks retreated on Thursday tracking Asian markets as the instability in global oil prices kept investors wary, dealers said. Stocks in the Philippines and Vietnam slipped into oversold territory while Malaysia fell ahead of an interest rate decision. The Philippine composite index dropped 2.2 percent to its lowest since February 2014. The index was in the oversold zone, with the 14-day Relative Strength Index below 30. Vietnam was down 1