With all three segments up this week, the first signs of nerves are being seen in the investment community – worried that these good times simply cannot last, given ongoing global turbulence. The Vendors segment was the worst performer in the adjusted view, achieving just a 0.66% increase in the past week. The Indexes segment, which we use to track the wider market, was up 1.68% – highlighting investor concerns in the Vendors segment. This was especially true, as the Operators segment (usually viewed as the safer, if less exciting investment) was up a whopping 2.94% – a turn out for the books. For the Vendors segment, there were 21 gains and 9 losses this week. The best was Intel,…