A weak full-year profit forecast from MarineMax ( HZO -15.1% ) is spilling over to impact trading on Brunswick ( BC -7.9% ), Malibu Boats ( MBUU -2.1% ), Marine Products ( MPX -1.9% ) and MasterCraft Boat ( MCFT -0.7% ). More news on: MarineMax, Inc., Brunswick Corporation, Malib…