Raj Rajaratnam's younger brother has pleaded not guilty at a US court to charges of conspiring in an insider trading scheme to illegally ea...

Gupta agreed to step down from New Silk Route NSR's board in response to Saxena's request that he distance himself from the company.

A wiretapped telephone call between Rajaratnam and his brother Rengan was used by prosecutors to bolster their case against the hedge fund ...