Private company stock trading startup SecondMarket just released their Q3 transaction report. The highlight – Facebook continues to dominate with 37% of total transactions, although SecondMarket doesn’t break out the total size of those transactions. Nearly $75 million worth of stock flowed through them in the last three months, though (up from

Private company stock trading startup SecondMarket just released their Q3 transaction report. The highlight – Facebook continues to dominate with 37% of total transactions, although SecondMarket doesn’t break out the total size of those transactions. Nearly $75 million worth of stock flowed through them in the last three months, though (up from