A rush of investment into Bitcoin ETFs in recent days sent the combined asset value of such investment vehicles to a record high of more than $158 billion, according to The Block, an outlet that covers digital assets. Investors placed more than a billion dollars into Bitcoin ETFs on consecutive days last week, The Block found.

Bitcoin smashed another record, rising above $123,000 Monday before giving up some of those gains. What's powering the world's largest cryptocurrency to new highs?

Investors are paying attention to Trump tariffs again. Traders return from a summer weekend with one hand over their eyes as tariff fears ratchet higher. President Trump has threatened 30% tariffs on Mexico and the European Union.