Tidjane Thiam speaks to CNBC's Joumanna Bercetche about the XIV ETN financial product that played a role in the recent drop in markets.
Credit Suisse CEO says people used its short-volatility product, the XIV, at their own risk when its value plummeted last week.
The VelocityShares Daily Inverse VIX has been reopened briefly and then halted again.
CNBC's Leslie Picker reports on Credit Suisse's decision to wind down the Inverse VIX ETN.
CNBC's Leslie Picker reports on the crash of an ETF that is short on volatility.