According to McKinsey & Co., Wall Street trading will be dominated even more by firms that embrace cutting edge technologies to streamline operations and trim costs.  More efficient trading technology will lower the costs for the investor, but at what cost?

Based on my observances over the last 25 years, I would say the cost to investors will be the continued erosion of liquidity, and more “Flash Crash” events.

Source: Mckinsey’s Trading Prophecy Is a Wall Street Ruled by Machines