A support for a predetermined container having a rim e. The system and method may be used to assist a trader in selecting an item of interest, such as the inside market to be displayed relative to a user configured location on the trading screen, such as the center of the trading screen. The engagement mechanism is adapted to continuously engage the actuator to cause the latch to connect the first conduit section and the second conduit section despite the movement of the engagement mechanism between a first position and a second position.