EXCLUSIVE: Hong Kong watchdog tells firms how to cooperate in raids as scrutiny of share sales grows ↧ ↧ EXCLUSIVE: Hong Kong watchdog tells firms how to cooperate in raids... Hong Kong's securities watchdog gave guidance to investment banks on how ​they should cooperate during a raid by regulators, two people with knowledge of an industry meeting said, adding this signals more scrutiny, particularly of ‌booming share sales.