Continuing dollar decline could drag US asset valuations down as people sell and diversify... Venezuela events and geopolitical fragmentation could make asset allocators uncomfortable with disproportionate US allocation. Sagan explicitly discusses dollar decline continuation as part of de-USification trend, with geopolitical events (Venezuela) potentially accelerating the shift away from dollar-denominated assets.

Sagan's de-USification thesis and warning about dollar decline potentially dragging US asset valuations down suggests headwinds for US-centric indices like NDX. His focus on diversification to non-US markets implies relative underperformance or caution for Nasdaq 100 as capital flows to cheaper international alternatives.

Risk of yields breaking much higher, potentially 5% on 10-year... Velocity of move could destabilize stock market. Sagan explicitly warns of significant yield increases due to term rate pressures from AI hyperscaler debt financing and global appetite shifts away from US assets, identifying this as underappreciated tail risk.