Here is a list of ways in which investors can use earnings per share (EPS) information under IAS 33 to make informed investment decisions, as well as some of the limitations of this metric:

1. Evaluate company profitability: EPS is a key metric for evaluating a company's profitability on a per-share basis. By comparing a company's EPS to that of other companies in the same industry or sector, investors can gain insights into how the company is performing relative to its peers.
2. Assess earnings growth potential: Investors can also use EPS to assess a company's earnings growth potential by analyzing its historical EPS trends and comparing them to those of its peers. If a company's EPS is increasing over time or is higher than its peers, this may indicate strong growth potential.
3. Evaluate dividend potential: EPS can also be used to evaluate a company's dividend potential by comparing its EPS to its dividend payout. If a company's EPS is significantly higher than its dividend payout, this may indicate that it has room to increase its dividend payments to shareholders.
4. Monitor share price trends: Investors can use EPS to monitor share price trends by comparing a company's EPS to its current stock price and its historical price-earnings (P/E) ratio. If a company's EPS is increasing over time but its P/E ratio or stock price is not, this may indicate that the market is undervaluing the company's stock.
5. Limitations of EPS: It's important to note that EPS has some limitations as a metric. For example, EPS does not take into account a company's debt level, cash flow, or other financial metrics that are important for evaluating a company's financial health. Additionally, EPS can be impacted by one-time events or accounting adjustments, which may not accurately reflect a company's underlying financial performance.

Overall, while EPS can be a useful metric for investors to evaluate a company's profitability, growth potential, dividend potential, and share price trends, it should be used in conjunction with other financial metrics and with an understanding of its limitations.