If Return on Equity increases over time:
An increasing Return on Equity (ROE) may indicate the company has been more effective in using contributions from stockholders to generate earnings for the company.
If Return on Equity decreases over time:
A decreasing Return on Equity (ROE) may indicate the company has been less effective in using contributions from stockholders to generate earnings for the company.
If Return on Equity stays the same over time:
An unchanged Return on Equity (ROE) may indicate the company''s effectivness in using contributions from stockholders to generate earnings for the company has remained the same.