This is not the best week for executives in technology vendors to examine their retirement plans. For telco execs, the outlook is better, but stock markets the world over have plunged, as the US tariffs begin to bite – and widespread fear of stagflation kicks in. The day before President Trump’s ‘liberation day’ announcement, investors are bracing themselves – seeking out safer stocks. For our tracker, the Vendors segment dipped by 6.91% in the past week, reaching a low not seen since September. In contrast, the Operators segment once again proved that it is a safer store of value – declining by only 0.20%. The Indexes segment slid by 2.47% too, with the Nasdaq performing particularly poorly. There were just…