The latest American Association of Individual Investors (AAII) Sentiment Survey shows a bullish undercurrent sweeping across the market, with optimism levels hitting their peak for 2023. The survey shows 46.4% of investors predicting rising stock prices over the next six months, a 4.5% jump from the previous week. The AAII's optimistic five-week streak is the longest seen since a similar five-week run in late 2021. The bull-bear spread, indicating the degree of optimism, widened by 7.4% to reach 21.9%, above its historical average of 6.4%.