Currently trading at $3.73, SIA Engineering Company (SIAEC) shares have not reached the 5-year low of $3.35. But it does not mean that the company is doing fantastic either. SIAEC shares had been sliding from a record level of $5.29 since 2013 and many investors wonder whether it would be worth investing in SIAEC shares now. For 1Q16, SIAEC announced profits amounting to $199.8 million as compared to $41.7 million in 2015. The explosive increase was due to $141.6 million gain from the divestment of its 10% stake in Hong Kong Aero Engine Services Ltd (“HAESL”) to Rolls-Royce Overseas Holdings Limited (“RROH”) and Hong Kong Aircraft Engineering Company Limited (“HAECO”). In addition, the Group received a special dividend of $36.4 million from HAESL following the divestment of HAESL’s 20% stake in Singapore Aero Engine Services Limited (“SAESL”) to Rolls-Royce Singapore Pte Ltd (“RRS”), bringing the overall gain from the divestment to $178.0 million......