Merck KGaA Cuts Outlook on Tariff Risks, Currency Turmoil (2)

Merck KGaA, the German science and technology group, trimmed its profit forecast, citing a weakening US dollar and uncertainty around global tariffs. The stock tumbled.

The company now expects full-year adjusted earnings before interest, tax, depreciation and amortization to grow between 2% and 7%, down from a prior estimate of 3% to 8%.

The new guidance reflects an uncertain macro-economic and geopolitical environment and foreign-exchange effects that may weigh on all three business segments, Merck said Thursday. A murky tariff situation led to a slight adjustment at its biggest division, the life-science unit.

Merck shares fell as much as ...