Sentence:  From an initial investment of $ 1200 in 1943 , it has grown , with no additional capital <WSD>investment</WSD> , to a present value estimated by some as exceeding $ 10000000 ( we do n't disclose financial figures to the public ) . 
Meaning of the word marked with <WSD> tags:  the act of investing; laying out money or capital in an enterprise with the expectation of profit