U.S. stocks rose again as stronger-than-expected profits keep piling higher for companies, though CEOs say they’re unsure how long that can last due to uncertainty around President Donald Trump’s trade war.

Skechers U.S.A., the shoe and apparel company, pulled its financial forecasts for the year due to "macroeconomic uncertainty stemming from global trade policies" even though it just reported a record quarter of revenue at $2.41 billion. Its stock fell 4.3%.

Trump's multi-front trade war and constant flip-flops on tariffs have upended supply chains, clouded business outlooks and stoked fears of a recession in the U.S. The S&P 500 has lost nearly 8% since his January 20 inauguration.