Buy Cell (1989)

Herbie Altman is framed for Stock fraud by his boss when the SEC starts investigating his company Sent to prison he helps a fellow inmate successfully invest his money Soon all the inmates want his help To manage all the money he forms CON INC and runs it from the prison under the noses of the warden and the guards But when the IRS and SEC begin to investigate this successful company it looks like he may be in trouble again