The $1.7 billion hit to Tullow Oil Plc’s market value on December 9— a 65% drop — provides a stark reminder of why bosses shouldn’t stay too long at the top. The hydrocarbon producer has been stubbornly overoptimistic about its prospects. Reality has now dawned, and it turns out the London-based group is in an extremely tight position. Oil and ...

After a decade of gloom, there’s a new sense of euphoria in Athens. The Greek stock exchange is on course to be the world’s best performer this year because investors believe the new prime minister, Kyriakos Mitsotakis, will deliver on his promise to attract foreign investment and boost growth. The star performers are bank shares, which have nearly doubled in ...

For every 100 people in India, there are only three credit cards. A comparable penetration figure for the US is 320. Statistics like these suggest that India’s first initial public offering of a credit card issuer is either an opportunity with boundless prospects — or a victim of arrested development. Which is it? The sale of shares in SBI Cards ...