New Delhi, Oct. 23 -- For much of modern investing, access to information was an advantage. Those who could obtain better data, process it faster and develop superior research capabilities had an opportunity to see what others could not. But that advantage is being steadily eroded.

Today, information is abundant. Analytical capabilities once confined to sophisticated institutions are now becoming increasingly accessible, while artificial intelligence is transforming the speed and scale of data processing. Yet the environment in which investors must interpret that information is becoming more complex.

This combination has an important implication for the investment profession: the next source of advantage may lie less in having more info...