The Straits Times Index (SGX: ^STI)’s strong year-to-date (YTD) rally of more than 20% has rewarded investors who stayed invested. After this first wave of gains, investors tend to start hunting for whatever may lead the next leg – and that’s rarely the stocks that have already run the hardest.The better candidates are businesses whose earnings could accelerate, valuations still leave room to re-rate, or have catalysts that could shift how the market sees them.Here are three. What Could Drive the Next Singa ...