The line between arbitrage and market manipulation has long been one of the grayest areas in financial markets — and India's recent action against high-frequency trading giant Jane Street has brought ...

(This was originally published in the India File newsletter, which is issued every Tuesday. Sign up here to get the latest news from India and how it matters to the world.) The Indian market regulator ...

MUMBAI, April 28 (Reuters) - Indian guar futures ended higher on Tuesday on some spot-futures arbitrage trade and short-covering after losing more than 2 percent in the previous session, analysts said ...