The author claims the Bank of Japan's first rate hike on June 17 'basically murdered all of tech' and warns that another hike on September 17 (Polymarket odds at 98%) could do the same. The mechanism is that BoJ tightening pressures rate-sensitive tech valuations. The stated catalyst is the September 17 BoJ decision; the main risk is that the hike is already priced in or does not repeat the prior reaction.