Shipping companies at the ports of Los Angeles and Long Beach will soon be fined if their containers stay in marine terminals for too long, officials announced on Monday. Officials at San Pedro Bay Ports said in a statement that the fines are being imposed in an effort to “improve cargo movement amid congestion and record volume.” Starting on Nov. 1, the ports will charge shipping companies that fall into one of two categories: containers scheduled to move by truck and containers moving by rail. In the case of containers scheduled to move by truck, shipping companies will be charged for every container that stays in marine terminals for nine days or longer. For those moving by rail, shipping companies will be charged if the container stays for three days or more. Companies will incur a fine of $100 per container, which will increase in $100 increments per container per day. The fees collected will …