【ZZ】 Big long-term winners can be sickening short-term losersStocks such as　Riverstone Holdings Limited　(SGX: AP4)　and　Raffles Medical Group Ltd　(SGX: BSL)　have been huge long-term winners in Singapore’s market since the start of 2007. Their share prices have climbed by 565% and 424%, respectively. The pair’s long-term returns are no mean feat. For perspective, the　Straits Times Index　(SGX: ^STI)　had　declined　by 8% over the same timeframe. But, both Riverstone and Raffles Medical were actually vicious nightmares for investors over short time horizons in that period. Here’s a chart showing the maximum peak-to-trough loss (known as drawdown) that the duo had experienced in each calendar year from 2007 to 2015: Source: S&P Global Market Intelligence To pick out some jarring episodes, Raffles Medical’s shares collapsed by 64% from peak-to-trough in 2008. Meanwhile, Riverstone’s drawdown in 2011 was a stunning 30%. And all these had occurred under the backdrop of their shares more than quint (more...)