In the past two years, shares of Nvidia have increased by more than 250%. Palantir and Seagate have seen big gains as well, causing a growing number of investors to worry that AI is in a bubble akin to the dot-com era. But those gains are small potatoes compared to one Indian company. The share price of RRP Semiconductor Ltd. has surged by an eye-popping 55,000% in the past 20 months. On Dec. 17, 2023, you could have bought shares for 10 Indian rupees (roughly 11 cents in U.S. dollars). Today, those share ...