Hot stock: SIA Engineering down 6.07%, draws SGX query THE BUSINESS TIMES Shares of SIA Engineering Co fell 6.07 per cent, or 21 Singapore cents, to S$3.24 as at 9.35am on Wednesday, drawing a trading query from the Singapore Exchange (SGX). About 2.9 million shares worth S$9.6 million changed hands, making the stock the ... Singapore Exchange Queries SIA Engineering On Unusual Share Price Movement |