Discouraged investors increasingly see reasons to be more hopeful and optimistic.Shares of Asian business Sea Limited (SE -2.99%) skyrocketed 76.3% in the first half of 2024, according to data provided by S&P Global Market Intelligence. The stock has been more heavily influenced by investor sentiment than business results, as I'll explain.Consider that the S&P 500 was up 14.5% in the first half of the year, which is a spectacular six-month return for this large index. In short, there's a bullish breeze in t ...