With the first half of 2018 behind us, we evaluate the performance of the tech sector versus the broader market, and peers across the pond to see how the London listed technology universe compares to its bigger and better known US counterparts. We examine if the UK listed tech sector is overvalued on a relative basis. No tech sector review can be complete without analysing the performance of the big eight mega tech companies who had a strong H1 period and currently have an aggregate market ca ....