Are these stories related?

[StarDust9182]

GoldMan Sachs endorsement of IEX story:

http://www.bloomberg.com/news/2014-...ex-stock-market-built-to-fight-predators.html

and GS prop trading story:

http://www.zerohedge.com/news/2014-...set-second-highest-prop-trading-revenue-lehma

Are the lights going out on barclays? story:

http://www.forbes.com/sites/frances...lights-going-out-in-barclays-investment-bank/

the largest trading floor story:
http://www.zerohedge.com/news/2014-...-worlds-largest-trading-floor-virtually-empty

What is the future of trading after the HFT exposure? Any thoughts?