New Delhi, Feb. 24 -- Globally, value investors led by billionaire Warren Buffett have had a hard time these past few years, given their commitment not to buy overpriced shares.

Buffett's Berkshire Hathaway ended 2024 sitting atop a $334-billion pile of cash and its equivalents. So large is this sum that his annual letter to shareholders tries to reassure them that it does not prefer cash over "good businesses." But are investment opportunities really so scarce? Critics wonder if it's missing out.

McKinsey Global Institute (MGI) recently identified 18 hot arenas of rivalry expected to thrive over the next 15 years: e-commerce, cloud services, artificial intelligence, semiconductors, cybersecurity, electric vehicles, shared autonomous ve...