Records and documents submitted to the department of economic development, to the Missouri economic development, export and infrastructure board, or to a regional planning commission formed pursuant to chapter 251, relating to financial investments in a business, or sales projections or other business plan information which may endanger the competitiveness of a business, or records pertaining to a business prospect with which the department, board, or commission is currently negotiating, may be deemed a closed record as such term is defined in section 610.010.