(Bloomberg) — The sense of gloom on Wall Street is putting pressure on some of the most committed backers of American exceptionalism: South Korea’s risk-seeking retail investors.Most Read from BloombergThey Built a Secret Apartment in a Mall. Now the Mall Is Dying.Chicago Transit Faces ‘Doomsday Scenario,’ Regional Agency SaysLA Faces $1 Billion Budget Hole, Warns of Thousands of LayoffsNew York Subway Ditches MetroCard After 32 Years for Tap-And-GoDespite Cost-Cutting Moves, Trump Plans to RemRead More